hdspm.c 123.1 KB
Newer Older
T
Takashi Iwai 已提交
1
/*
T
Takashi Iwai 已提交
2 3 4 5 6 7
 *   ALSA driver for RME Hammerfall DSP MADI audio interface(s)
 *
 *      Copyright (c) 2003 Winfried Ritsch (IEM)
 *      code based on hdsp.c   Paul Davis
 *                             Marcus Andersson
 *                             Thomas Charbonnel
R
Remy Bruno 已提交
8 9
 *      Modified 2006-06-01 for AES32 support by Remy Bruno
 *                                               <remy.bruno@trinnov.com>
T
Takashi Iwai 已提交
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <asm/io.h>

#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/asoundef.h>
#include <sound/rawmidi.h>
#include <sound/hwdep.h>
#include <sound/initval.h>

#include <sound/hdspm.h>

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	  /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	  /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */

/* Disable precise pointer at start */
static int precise_ptr[SNDRV_CARDS];

/* Send all playback to line outs */
static int line_outs_monitor[SNDRV_CARDS];

/* Enable Analog Outs on Channel 63/64 by default */
static int enable_monitor[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");

module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");

module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");

module_param_array(precise_ptr, bool, NULL, 0444);
68
MODULE_PARM_DESC(precise_ptr, "Enable or disable precise pointer.");
T
Takashi Iwai 已提交
69 70 71 72 73 74 75 76 77 78

module_param_array(line_outs_monitor, bool, NULL, 0444);
MODULE_PARM_DESC(line_outs_monitor,
		 "Send playback streams to analog outs by default.");

module_param_array(enable_monitor, bool, NULL, 0444);
MODULE_PARM_DESC(enable_monitor,
		 "Enable Analog Out on Channel 63/64 by default.");

MODULE_AUTHOR
T
Takashi Iwai 已提交
79 80
      ("Winfried Ritsch <ritsch_AT_iem.at>, "
       "Paul Davis <paul@linuxaudiosystems.com>, "
R
Remy Bruno 已提交
81 82
       "Marcus Andersson, Thomas Charbonnel <thomas@undata.org>, "
       "Remy Bruno <remy.bruno@trinnov.com>");
T
Takashi Iwai 已提交
83 84 85 86 87 88 89 90 91 92
MODULE_DESCRIPTION("RME HDSPM");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");

/* --- Write registers. --- 
  These are defined as byte-offsets from the iobase value.  */

#define HDSPM_controlRegister	     64
#define HDSPM_interruptConfirmation  96
#define HDSPM_control2Reg	     256  /* not in specs ???????? */
93
#define HDSPM_freqReg                256  /* for AES32 */
T
Takashi Iwai 已提交
94 95
#define HDSPM_midiDataOut0  	     352  /* just believe in old code */
#define HDSPM_midiDataOut1  	     356
96
#define HDSPM_eeprom_wr		     384  /* for AES32 */
T
Takashi Iwai 已提交
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113

/* DMA enable for 64 channels, only Bit 0 is relevant */
#define HDSPM_outputEnableBase       512  /* 512-767  input  DMA */ 
#define HDSPM_inputEnableBase        768  /* 768-1023 output DMA */

/* 16 page addresses for each of the 64 channels DMA buffer in and out 
   (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
#define HDSPM_pageAddressBufferOut       8192
#define HDSPM_pageAddressBufferIn        (HDSPM_pageAddressBufferOut+64*16*4)

#define HDSPM_MADI_mixerBase    32768	/* 32768-65535 for 2x64x64 Fader */

#define HDSPM_MATRIX_MIXER_SIZE  8192	/* = 2*64*64 * 4 Byte => 32kB */

/* --- Read registers. ---
   These are defined as byte-offsets from the iobase value */
#define HDSPM_statusRegister    0
R
Remy Bruno 已提交
114 115 116 117 118 119
/*#define HDSPM_statusRegister2  96 */
/* after RME Windows driver sources, status2 is 4-byte word # 48 = word at
 * offset 192, for AES32 *and* MADI
 * => need to check that offset 192 is working on MADI */
#define HDSPM_statusRegister2  192
#define HDSPM_timecodeRegister 128
T
Takashi Iwai 已提交
120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151

#define HDSPM_midiDataIn0     360
#define HDSPM_midiDataIn1     364

/* status is data bytes in MIDI-FIFO (0-128) */
#define HDSPM_midiStatusOut0  384	
#define HDSPM_midiStatusOut1  388	
#define HDSPM_midiStatusIn0   392	
#define HDSPM_midiStatusIn1   396	


/* the meters are regular i/o-mapped registers, but offset
   considerably from the rest. the peak registers are reset
   when read; the least-significant 4 bits are full-scale counters; 
   the actual peak value is in the most-significant 24 bits.
*/
#define HDSPM_MADI_peakrmsbase 	4096	/* 4096-8191 2x64x32Bit Meters */

/* --- Control Register bits --------- */
#define HDSPM_Start                (1<<0) /* start engine */

#define HDSPM_Latency0             (1<<1) /* buffer size = 2^n */
#define HDSPM_Latency1             (1<<2) /* where n is defined */
#define HDSPM_Latency2             (1<<3) /* by Latency{2,1,0} */

#define HDSPM_ClockModeMaster      (1<<4) /* 1=Master, 0=Slave/Autosync */

#define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */

#define HDSPM_Frequency0  (1<<6)  /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
#define HDSPM_Frequency1  (1<<7)  /* 0=32kHz/64kHz */
#define HDSPM_DoubleSpeed (1<<8)  /* 0=normal speed, 1=double speed */
R
Remy Bruno 已提交
152
#define HDSPM_QuadSpeed   (1<<31) /* quad speed bit */
T
Takashi Iwai 已提交
153

R
Remy Bruno 已提交
154
#define HDSPM_Professional (1<<9) /* Professional */ /* AES32 ONLY */
T
Takashi Iwai 已提交
155
#define HDSPM_TX_64ch     (1<<10) /* Output 64channel MODE=1,
R
Remy Bruno 已提交
156 157
				     56channelMODE=0 */ /* MADI ONLY*/
#define HDSPM_Emphasis    (1<<10) /* Emphasis */ /* AES32 ONLY */
T
Takashi Iwai 已提交
158 159

#define HDSPM_AutoInp     (1<<11) /* Auto Input (takeover) == Safe Mode, 
R
Remy Bruno 已提交
160 161
                                     0=off, 1=on  */ /* MADI ONLY */
#define HDSPM_Dolby       (1<<11) /* Dolby = "NonAudio" ?? */ /* AES32 ONLY */
T
Takashi Iwai 已提交
162

T
Takashi Iwai 已提交
163 164 165
#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax
				    * -- MADI ONLY
				    */
T
Takashi Iwai 已提交
166 167 168
#define HDSPM_InputSelect1 (1<<15) /* should be 0 */

#define HDSPM_SyncRef0     (1<<16) /* 0=WOrd, 1=MADI */
R
Remy Bruno 已提交
169 170 171
#define HDSPM_SyncRef1     (1<<17) /* for AES32: SyncRefN codes the AES # */
#define HDSPM_SyncRef2     (1<<13)
#define HDSPM_SyncRef3     (1<<25)
T
Takashi Iwai 已提交
172

R
Remy Bruno 已提交
173
#define HDSPM_SMUX         (1<<18) /* Frame ??? */ /* MADI ONY */
T
Takashi Iwai 已提交
174 175 176
#define HDSPM_clr_tms      (1<<19) /* clear track marker, do not use 
                                      AES additional bits in
				      lower 5 Audiodatabits ??? */
R
Remy Bruno 已提交
177 178
#define HDSPM_taxi_reset   (1<<20) /* ??? */ /* MADI ONLY ? */
#define HDSPM_WCK48        (1<<20) /* Frame ??? = HDSPM_SMUX */ /* AES32 ONLY */
T
Takashi Iwai 已提交
179 180 181 182 183 184

#define HDSPM_Midi0InterruptEnable (1<<22)
#define HDSPM_Midi1InterruptEnable (1<<23)

#define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */

R
Remy Bruno 已提交
185 186 187 188 189
#define HDSPM_DS_DoubleWire (1<<26) /* AES32 ONLY */
#define HDSPM_QS_DoubleWire (1<<27) /* AES32 ONLY */
#define HDSPM_QS_QuadWire   (1<<28) /* AES32 ONLY */

#define HDSPM_wclk_sel (1<<30)
T
Takashi Iwai 已提交
190 191 192

/* --- bit helper defines */
#define HDSPM_LatencyMask    (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
T
Takashi Iwai 已提交
193 194
#define HDSPM_FrequencyMask  (HDSPM_Frequency0|HDSPM_Frequency1|\
			      HDSPM_DoubleSpeed|HDSPM_QuadSpeed)
T
Takashi Iwai 已提交
195 196 197
#define HDSPM_InputMask      (HDSPM_InputSelect0|HDSPM_InputSelect1)
#define HDSPM_InputOptical   0
#define HDSPM_InputCoaxial   (HDSPM_InputSelect0)
T
Takashi Iwai 已提交
198 199
#define HDSPM_SyncRefMask    (HDSPM_SyncRef0|HDSPM_SyncRef1|\
			      HDSPM_SyncRef2|HDSPM_SyncRef3)
T
Takashi Iwai 已提交
200 201 202 203 204 205 206 207 208 209 210
#define HDSPM_SyncRef_Word   0
#define HDSPM_SyncRef_MADI   (HDSPM_SyncRef0)

#define HDSPM_SYNC_FROM_WORD 0	/* Preferred sync reference */
#define HDSPM_SYNC_FROM_MADI 1	/* choices - used by "pref_sync_ref" */

#define HDSPM_Frequency32KHz    HDSPM_Frequency0
#define HDSPM_Frequency44_1KHz  HDSPM_Frequency1
#define HDSPM_Frequency48KHz   (HDSPM_Frequency1|HDSPM_Frequency0)
#define HDSPM_Frequency64KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
T
Takashi Iwai 已提交
211 212
#define HDSPM_Frequency96KHz   (HDSPM_DoubleSpeed|HDSPM_Frequency1|\
				HDSPM_Frequency0)
R
Remy Bruno 已提交
213 214
#define HDSPM_Frequency128KHz   (HDSPM_QuadSpeed|HDSPM_Frequency0)
#define HDSPM_Frequency176_4KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1)
T
Takashi Iwai 已提交
215 216
#define HDSPM_Frequency192KHz   (HDSPM_QuadSpeed|HDSPM_Frequency1|\
				 HDSPM_Frequency0)
T
Takashi Iwai 已提交
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262

/* --- for internal discrimination */
#define HDSPM_CLOCK_SOURCE_AUTOSYNC          0	/* Sample Clock Sources */
#define HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ    1
#define HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ  2
#define HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ    3
#define HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ    4
#define HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ  5
#define HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ    6
#define HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ   7
#define HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
#define HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ   9

/* Synccheck Status */
#define HDSPM_SYNC_CHECK_NO_LOCK 0
#define HDSPM_SYNC_CHECK_LOCK    1
#define HDSPM_SYNC_CHECK_SYNC	 2

/* AutoSync References - used by "autosync_ref" control switch */
#define HDSPM_AUTOSYNC_FROM_WORD      0
#define HDSPM_AUTOSYNC_FROM_MADI      1
#define HDSPM_AUTOSYNC_FROM_NONE      2

/* Possible sources of MADI input */
#define HDSPM_OPTICAL 0		/* optical   */
#define HDSPM_COAXIAL 1		/* BNC */

#define hdspm_encode_latency(x)       (((x)<<1) & HDSPM_LatencyMask)
#define hdspm_decode_latency(x)       (((x) & HDSPM_LatencyMask)>>1)

#define hdspm_encode_in(x) (((x)&0x3)<<14)
#define hdspm_decode_in(x) (((x)>>14)&0x3)

/* --- control2 register bits --- */
#define HDSPM_TMS             (1<<0)
#define HDSPM_TCK             (1<<1)
#define HDSPM_TDI             (1<<2)
#define HDSPM_JTAG            (1<<3)
#define HDSPM_PWDN            (1<<4)
#define HDSPM_PROGRAM	      (1<<5)
#define HDSPM_CONFIG_MODE_0   (1<<6)
#define HDSPM_CONFIG_MODE_1   (1<<7)
/*#define HDSPM_VERSION_BIT     (1<<8) not defined any more*/
#define HDSPM_BIGENDIAN_MODE  (1<<9)
#define HDSPM_RD_MULTIPLE     (1<<10)

R
Remy Bruno 已提交
263
/* --- Status Register bits --- */ /* MADI ONLY */ /* Bits defined here and
T
Takashi Iwai 已提交
264 265 266
     that do not conflict with specific bits for AES32 seem to be valid also
     for the AES32
 */
T
Takashi Iwai 已提交
267
#define HDSPM_audioIRQPending    (1<<0)	/* IRQ is high and pending */
T
Takashi Iwai 已提交
268 269 270 271
#define HDSPM_RX_64ch            (1<<1)	/* Input 64chan. MODE=1, 56chn MODE=0 */
#define HDSPM_AB_int             (1<<2)	/* InputChannel Opt=0, Coax=1
					 * (like inp0)
					 */
T
Takashi Iwai 已提交
272 273 274 275 276 277 278 279 280 281 282 283 284 285
#define HDSPM_madiLock           (1<<3)	/* MADI Locked =1, no=0 */

#define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
                                           /* since 64byte accurate last 6 bits 
                                              are not used */

#define HDSPM_madiSync          (1<<18) /* MADI is in sync */
#define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */

#define HDSPM_madiFreq0         (1<<22)	/* system freq 0=error */
#define HDSPM_madiFreq1         (1<<23)	/* 1=32, 2=44.1 3=48 */
#define HDSPM_madiFreq2         (1<<24)	/* 4=64, 5=88.2 6=96 */
#define HDSPM_madiFreq3         (1<<25)	/* 7=128, 8=176.4 9=192 */

T
Takashi Iwai 已提交
286 287 288
#define HDSPM_BufferID          (1<<26)	/* (Double)Buffer ID toggles with
					 * Interrupt
					 */
T
Takashi Iwai 已提交
289 290 291 292
#define HDSPM_midi0IRQPending   (1<<30)	/* MIDI IRQ is pending  */
#define HDSPM_midi1IRQPending   (1<<31)	/* and aktiv */

/* --- status bit helpers */
T
Takashi Iwai 已提交
293 294
#define HDSPM_madiFreqMask  (HDSPM_madiFreq0|HDSPM_madiFreq1|\
			     HDSPM_madiFreq2|HDSPM_madiFreq3)
T
Takashi Iwai 已提交
295 296 297 298 299 300 301 302 303 304
#define HDSPM_madiFreq32    (HDSPM_madiFreq0)
#define HDSPM_madiFreq44_1  (HDSPM_madiFreq1)
#define HDSPM_madiFreq48    (HDSPM_madiFreq0|HDSPM_madiFreq1)
#define HDSPM_madiFreq64    (HDSPM_madiFreq2)
#define HDSPM_madiFreq88_2  (HDSPM_madiFreq0|HDSPM_madiFreq2)
#define HDSPM_madiFreq96    (HDSPM_madiFreq1|HDSPM_madiFreq2)
#define HDSPM_madiFreq128   (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
#define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
#define HDSPM_madiFreq192   (HDSPM_madiFreq3|HDSPM_madiFreq0)

R
Remy Bruno 已提交
305
/* Status2 Register bits */ /* MADI ONLY */
T
Takashi Iwai 已提交
306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333

#define HDSPM_version0 (1<<0)	/* not realy defined but I guess */
#define HDSPM_version1 (1<<1)	/* in former cards it was ??? */
#define HDSPM_version2 (1<<2)

#define HDSPM_wcLock (1<<3)	/* Wordclock is detected and locked */
#define HDSPM_wcSync (1<<4)	/* Wordclock is in sync with systemclock */

#define HDSPM_wc_freq0 (1<<5)	/* input freq detected via autosync  */
#define HDSPM_wc_freq1 (1<<6)	/* 001=32, 010==44.1, 011=48, */
#define HDSPM_wc_freq2 (1<<7)	/* 100=64, 101=88.2, 110=96, */
/* missing Bit   for               111=128, 1000=176.4, 1001=192 */

#define HDSPM_SelSyncRef0 (1<<8)	/* Sync Source in slave mode */
#define HDSPM_SelSyncRef1 (1<<9)	/* 000=word, 001=MADI, */
#define HDSPM_SelSyncRef2 (1<<10)	/* 111=no valid signal */

#define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)

#define HDSPM_wcFreqMask  (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
#define HDSPM_wcFreq32    (HDSPM_wc_freq0)
#define HDSPM_wcFreq44_1  (HDSPM_wc_freq1)
#define HDSPM_wcFreq48    (HDSPM_wc_freq0|HDSPM_wc_freq1)
#define HDSPM_wcFreq64    (HDSPM_wc_freq2)
#define HDSPM_wcFreq88_2  (HDSPM_wc_freq0|HDSPM_wc_freq2)
#define HDSPM_wcFreq96    (HDSPM_wc_freq1|HDSPM_wc_freq2)


T
Takashi Iwai 已提交
334 335
#define HDSPM_SelSyncRefMask       (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
				    HDSPM_SelSyncRef2)
T
Takashi Iwai 已提交
336 337
#define HDSPM_SelSyncRef_WORD      0
#define HDSPM_SelSyncRef_MADI      (HDSPM_SelSyncRef0)
T
Takashi Iwai 已提交
338 339
#define HDSPM_SelSyncRef_NVALID    (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|\
				    HDSPM_SelSyncRef2)
T
Takashi Iwai 已提交
340

R
Remy Bruno 已提交
341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
/*
   For AES32, bits for status, status2 and timecode are different
*/
/* status */
#define HDSPM_AES32_wcLock	0x0200000
#define HDSPM_AES32_wcFreq_bit  22
/* (status >> HDSPM_AES32_wcFreq_bit) & 0xF gives WC frequency (cf function 
  HDSPM_bit2freq */
#define HDSPM_AES32_syncref_bit  16
/* (status >> HDSPM_AES32_syncref_bit) & 0xF gives sync source */

#define HDSPM_AES32_AUTOSYNC_FROM_WORD 0
#define HDSPM_AES32_AUTOSYNC_FROM_AES1 1
#define HDSPM_AES32_AUTOSYNC_FROM_AES2 2
#define HDSPM_AES32_AUTOSYNC_FROM_AES3 3
#define HDSPM_AES32_AUTOSYNC_FROM_AES4 4
#define HDSPM_AES32_AUTOSYNC_FROM_AES5 5
#define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
#define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
#define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
R
Remy Bruno 已提交
361
#define HDSPM_AES32_AUTOSYNC_FROM_NONE 9
R
Remy Bruno 已提交
362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390

/*  status2 */
/* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
#define HDSPM_LockAES   0x80
#define HDSPM_LockAES1  0x80
#define HDSPM_LockAES2  0x40
#define HDSPM_LockAES3  0x20
#define HDSPM_LockAES4  0x10
#define HDSPM_LockAES5  0x8
#define HDSPM_LockAES6  0x4
#define HDSPM_LockAES7  0x2
#define HDSPM_LockAES8  0x1
/*
   Timecode
   After windows driver sources, bits 4*i to 4*i+3 give the input frequency on
   AES i+1
 bits 3210
      0001  32kHz
      0010  44.1kHz
      0011  48kHz
      0100  64kHz
      0101  88.2kHz
      0110  96kHz
      0111  128kHz
      1000  176.4kHz
      1001  192kHz
  NB: Timecode register doesn't seem to work on AES32 card revision 230
*/

T
Takashi Iwai 已提交
391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408
/* Mixer Values */
#define UNITY_GAIN          32768	/* = 65536/2 */
#define MINUS_INFINITY_GAIN 0

/* Number of channels for different Speed Modes */
#define MADI_SS_CHANNELS       64
#define MADI_DS_CHANNELS       32
#define MADI_QS_CHANNELS       16

/* the size of a substream (1 mono data stream) */
#define HDSPM_CHANNEL_BUFFER_SAMPLES  (16*1024)
#define HDSPM_CHANNEL_BUFFER_BYTES    (4*HDSPM_CHANNEL_BUFFER_SAMPLES)

/* the size of the area we need to allocate for DMA transfers. the
   size is the same regardless of the number of channels, and
   also the latency to use. 
   for one direction !!!
*/
409
#define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
T
Takashi Iwai 已提交
410 411
#define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)

R
Remy Bruno 已提交
412 413 414
/* revisions >= 230 indicate AES32 card */
#define HDSPM_AESREVISION 230

R
Remy Bruno 已提交
415 416 417 418 419 420 421
/* speed factor modes */
#define HDSPM_SPEED_SINGLE 0
#define HDSPM_SPEED_DOUBLE 1
#define HDSPM_SPEED_QUAD   2
/* names for speed modes */
static char *hdspm_speed_names[] = { "single", "double", "quad" };

422 423
struct hdspm_midi {
	struct hdspm *hdspm;
T
Takashi Iwai 已提交
424
	int id;
425 426 427
	struct snd_rawmidi *rmidi;
	struct snd_rawmidi_substream *input;
	struct snd_rawmidi_substream *output;
T
Takashi Iwai 已提交
428 429 430 431 432 433
	char istimer;		/* timer in use */
	struct timer_list timer;
	spinlock_t lock;
	int pending;
};

434
struct hdspm {
T
Takashi Iwai 已提交
435
        spinlock_t lock;
T
Takashi Iwai 已提交
436 437 438
	/* only one playback and/or capture stream */
        struct snd_pcm_substream *capture_substream;
        struct snd_pcm_substream *playback_substream;
T
Takashi Iwai 已提交
439 440

	char *card_name;	     /* for procinfo */
R
Remy Bruno 已提交
441 442 443
	unsigned short firmware_rev; /* dont know if relevant (yes if AES32)*/

	unsigned char is_aes32;    /* indicates if card is AES32 */
T
Takashi Iwai 已提交
444 445 446 447 448 449 450

	int precise_ptr;	/* use precise pointers, to be tested */
	int monitor_outs;	/* set up monitoring outs init flag */

	u32 control_register;	/* cached value */
	u32 control2_register;	/* cached value */

451
	struct hdspm_midi midi[2];
T
Takashi Iwai 已提交
452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478
	struct tasklet_struct midi_tasklet;

	size_t period_bytes;
	unsigned char ss_channels;	/* channels of card in single speed */
	unsigned char ds_channels;	/* Double Speed */
	unsigned char qs_channels;	/* Quad Speed */

	unsigned char *playback_buffer;	/* suitably aligned address */
	unsigned char *capture_buffer;	/* suitably aligned address */

	pid_t capture_pid;	/* process id which uses capture */
	pid_t playback_pid;	/* process id which uses capture */
	int running;		/* running status */

	int last_external_sample_rate;	/* samplerate mystic ... */
	int last_internal_sample_rate;
	int system_sample_rate;

	char *channel_map;	/* channel map for DS and Quadspeed */

	int dev;		/* Hardware vars... */
	int irq;
	unsigned long port;
	void __iomem *iobase;

	int irq_count;		/* for debug */

479 480 481
	struct snd_card *card;	/* one card */
	struct snd_pcm *pcm;		/* has one pcm */
	struct snd_hwdep *hwdep;	/* and a hwdep for additional ioctl */
T
Takashi Iwai 已提交
482 483 484
	struct pci_dev *pci;	/* and an pci info */

	/* Mixer vars */
T
Takashi Iwai 已提交
485 486 487 488 489 490
	/* fast alsa mixer */
	struct snd_kcontrol *playback_mixer_ctls[HDSPM_MAX_CHANNELS];
	/* but input to much, so not used */
	struct snd_kcontrol *input_mixer_ctls[HDSPM_MAX_CHANNELS];
	/* full mixer accessable over mixer ioctl or hwdep-device */
	struct hdspm_mixer *mixer;
T
Takashi Iwai 已提交
491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513

};

/* These tables map the ALSA channels 1..N to the channels that we
   need to use in order to find the relevant channel buffer. RME
   refer to this kind of mapping as between "the ADAT channel and
   the DMA channel." We index it using the logical audio channel,
   and the value is the DMA channel (i.e. channel buffer number)
   where the data for that channel can be read/written from/to.
*/

static char channel_map_madi_ss[HDSPM_MAX_CHANNELS] = {
   0, 1, 2, 3, 4, 5, 6, 7,
   8, 9, 10, 11, 12, 13, 14, 15,
   16, 17, 18, 19, 20, 21, 22, 23,
   24, 25, 26, 27, 28, 29, 30, 31,
   32, 33, 34, 35, 36, 37, 38, 39,
   40, 41, 42, 43, 44, 45, 46, 47,
   48, 49, 50, 51, 52, 53, 54, 55,
   56, 57, 58, 59, 60, 61, 62, 63
};


514
static struct pci_device_id snd_hdspm_ids[] __devinitdata = {
T
Takashi Iwai 已提交
515 516 517 518 519 520 521 522 523 524 525 526 527 528
	{
	 .vendor = PCI_VENDOR_ID_XILINX,
	 .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
	 .subvendor = PCI_ANY_ID,
	 .subdevice = PCI_ANY_ID,
	 .class = 0,
	 .class_mask = 0,
	 .driver_data = 0},
	{0,}
};

MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);

/* prototypes */
529 530 531 532 533 534 535 536 537 538
static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
						   struct hdspm * hdspm);
static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
					  struct hdspm * hdspm);

static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm);
static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm);
static int hdspm_autosync_ref(struct hdspm * hdspm);
static int snd_hdspm_set_defaults(struct hdspm * hdspm);
static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
T
Takashi Iwai 已提交
539 540
			     unsigned int reg, int channels);

R
Remy Bruno 已提交
541 542
static inline int HDSPM_bit2freq(int n)
{
543 544
	static const int bit2freq_tab[] = {
		0, 32000, 44100, 48000, 64000, 88200,
R
Remy Bruno 已提交
545 546 547 548 549 550
		96000, 128000, 176400, 192000 };
	if (n < 1 || n > 9)
		return 0;
	return bit2freq_tab[n];
}

T
Takashi Iwai 已提交
551 552 553
/* Write/read to/from HDSPM with Adresses in Bytes
   not words but only 32Bit writes are allowed */

554
static inline void hdspm_write(struct hdspm * hdspm, unsigned int reg,
T
Takashi Iwai 已提交
555 556 557 558 559
			       unsigned int val)
{
	writel(val, hdspm->iobase + reg);
}

560
static inline unsigned int hdspm_read(struct hdspm * hdspm, unsigned int reg)
T
Takashi Iwai 已提交
561 562 563 564 565 566 567 568
{
	return readl(hdspm->iobase + reg);
}

/* for each output channel (chan) I have an Input (in) and Playback (pb) Fader 
   mixer is write only on hardware so we have to cache him for read 
   each fader is a u32, but uses only the first 16 bit */

569
static inline int hdspm_read_in_gain(struct hdspm * hdspm, unsigned int chan,
T
Takashi Iwai 已提交
570 571
				     unsigned int in)
{
572
	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
T
Takashi Iwai 已提交
573 574 575 576 577
		return 0;

	return hdspm->mixer->ch[chan].in[in];
}

578
static inline int hdspm_read_pb_gain(struct hdspm * hdspm, unsigned int chan,
T
Takashi Iwai 已提交
579 580
				     unsigned int pb)
{
581
	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
T
Takashi Iwai 已提交
582 583 584 585
		return 0;
	return hdspm->mixer->ch[chan].pb[pb];
}

586
static int hdspm_write_in_gain(struct hdspm *hdspm, unsigned int chan,
T
Takashi Iwai 已提交
587 588 589 590 591 592 593 594 595 596 597 598
				      unsigned int in, unsigned short data)
{
	if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
		return -1;

	hdspm_write(hdspm,
		    HDSPM_MADI_mixerBase +
		    ((in + 128 * chan) * sizeof(u32)),
		    (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
	return 0;
}

599
static int hdspm_write_pb_gain(struct hdspm *hdspm, unsigned int chan,
T
Takashi Iwai 已提交
600 601 602 603 604 605 606 607 608 609 610 611 612 613
				      unsigned int pb, unsigned short data)
{
	if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
		return -1;

	hdspm_write(hdspm,
		    HDSPM_MADI_mixerBase +
		    ((64 + pb + 128 * chan) * sizeof(u32)),
		    (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
	return 0;
}


/* enable DMA for specific channels, now available for DSP-MADI */
614
static inline void snd_hdspm_enable_in(struct hdspm * hdspm, int i, int v)
T
Takashi Iwai 已提交
615 616 617 618
{
	hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
}

619
static inline void snd_hdspm_enable_out(struct hdspm * hdspm, int i, int v)
T
Takashi Iwai 已提交
620 621 622 623 624
{
	hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
}

/* check if same process is writing and reading */
625
static int snd_hdspm_use_is_exclusive(struct hdspm *hdspm)
T
Takashi Iwai 已提交
626 627 628 629 630 631 632 633 634 635 636 637 638 639
{
	unsigned long flags;
	int ret = 1;

	spin_lock_irqsave(&hdspm->lock, flags);
	if ((hdspm->playback_pid != hdspm->capture_pid) &&
	    (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
		ret = 0;
	}
	spin_unlock_irqrestore(&hdspm->lock, flags);
	return ret;
}

/* check for external sample rate */
640
static int hdspm_external_sample_rate(struct hdspm *hdspm)
T
Takashi Iwai 已提交
641
{
R
Remy Bruno 已提交
642 643 644
	if (hdspm->is_aes32) {
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
T
Takashi Iwai 已提交
645 646
		unsigned int timecode =
			hdspm_read(hdspm, HDSPM_timecodeRegister);
R
Remy Bruno 已提交
647 648 649 650 651

		int syncref = hdspm_autosync_ref(hdspm);

		if (syncref == HDSPM_AES32_AUTOSYNC_FROM_WORD &&
				status & HDSPM_AES32_wcLock)
T
Takashi Iwai 已提交
652 653
			return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit)
					      & 0xF);
R
Remy Bruno 已提交
654 655 656 657 658 659 660 661 662 663 664 665
		if (syncref >= HDSPM_AES32_AUTOSYNC_FROM_AES1 &&
			syncref <= HDSPM_AES32_AUTOSYNC_FROM_AES8 &&
			status2 & (HDSPM_LockAES >>
			          (syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1)))
			return HDSPM_bit2freq((timecode >>
			  (4*(syncref-HDSPM_AES32_AUTOSYNC_FROM_AES1))) & 0xF);
		return 0;
	} else {
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
		unsigned int rate_bits;
		int rate = 0;
T
Takashi Iwai 已提交
666

R
Remy Bruno 已提交
667 668 669
		/* if wordclock has synced freq and wordclock is valid */
		if ((status2 & HDSPM_wcLock) != 0 &&
				(status & HDSPM_SelSyncRef0) == 0) {
T
Takashi Iwai 已提交
670

R
Remy Bruno 已提交
671
			rate_bits = status2 & HDSPM_wcFreqMask;
T
Takashi Iwai 已提交
672

R
Remy Bruno 已提交
673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
			switch (rate_bits) {
			case HDSPM_wcFreq32:
				rate = 32000;
				break;
			case HDSPM_wcFreq44_1:
				rate = 44100;
				break;
			case HDSPM_wcFreq48:
				rate = 48000;
				break;
			case HDSPM_wcFreq64:
				rate = 64000;
				break;
			case HDSPM_wcFreq88_2:
				rate = 88200;
				break;
			case HDSPM_wcFreq96:
				rate = 96000;
				break;
				/* Quadspeed Bit missing ???? */
			default:
				rate = 0;
				break;
			}
T
Takashi Iwai 已提交
697 698
		}

T
Takashi Iwai 已提交
699 700 701
		/* if rate detected and Syncref is Word than have it,
		 * word has priority to MADI
		 */
R
Remy Bruno 已提交
702 703 704
		if (rate != 0 &&
	            (status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
			return rate;
T
Takashi Iwai 已提交
705

R
Remy Bruno 已提交
706 707 708
		/* maby a madi input (which is taken if sel sync is madi) */
		if (status & HDSPM_madiLock) {
			rate_bits = status & HDSPM_madiFreqMask;
T
Takashi Iwai 已提交
709

R
Remy Bruno 已提交
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741
			switch (rate_bits) {
			case HDSPM_madiFreq32:
				rate = 32000;
				break;
			case HDSPM_madiFreq44_1:
				rate = 44100;
				break;
			case HDSPM_madiFreq48:
				rate = 48000;
				break;
			case HDSPM_madiFreq64:
				rate = 64000;
				break;
			case HDSPM_madiFreq88_2:
				rate = 88200;
				break;
			case HDSPM_madiFreq96:
				rate = 96000;
				break;
			case HDSPM_madiFreq128:
				rate = 128000;
				break;
			case HDSPM_madiFreq176_4:
				rate = 176400;
				break;
			case HDSPM_madiFreq192:
				rate = 192000;
				break;
			default:
				rate = 0;
				break;
			}
T
Takashi Iwai 已提交
742
		}
R
Remy Bruno 已提交
743
		return rate;
T
Takashi Iwai 已提交
744 745 746 747
	}
}

/* Latency function */
748
static inline void hdspm_compute_period_size(struct hdspm * hdspm)
T
Takashi Iwai 已提交
749 750 751 752 753
{
	hdspm->period_bytes =
	    1 << ((hdspm_decode_latency(hdspm->control_register) + 8));
}

754
static snd_pcm_uframes_t hdspm_hw_pointer(struct hdspm * hdspm)
T
Takashi Iwai 已提交
755 756 757 758 759
{
	int position;

	position = hdspm_read(hdspm, HDSPM_statusRegister);

T
Takashi Iwai 已提交
760 761 762
	if (!hdspm->precise_ptr)
		return (position & HDSPM_BufferID) ?
			(hdspm->period_bytes / 4) : 0;
T
Takashi Iwai 已提交
763

T
Takashi Iwai 已提交
764 765
	/* hwpointer comes in bytes and is 64Bytes accurate (by docu since
	   PCI Burst)
T
Takashi Iwai 已提交
766 767 768 769 770 771 772 773 774 775 776 777
	   i have experimented that it is at most 64 Byte to much for playing 
	   so substraction of 64 byte should be ok for ALSA, but use it only
	   for application where you know what you do since if you come to
	   near with record pointer it can be a disaster */

	position &= HDSPM_BufferPositionMask;
	position = ((position - 64) % (2 * hdspm->period_bytes)) / 4;

	return position;
}


778
static inline void hdspm_start_audio(struct hdspm * s)
T
Takashi Iwai 已提交
779 780 781 782 783
{
	s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
	hdspm_write(s, HDSPM_controlRegister, s->control_register);
}

784
static inline void hdspm_stop_audio(struct hdspm * s)
T
Takashi Iwai 已提交
785 786 787 788 789 790
{
	s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
	hdspm_write(s, HDSPM_controlRegister, s->control_register);
}

/* should I silence all or only opened ones ? doit all for first even is 4MB*/
791
static void hdspm_silence_playback(struct hdspm *hdspm)
T
Takashi Iwai 已提交
792 793 794 795 796
{
	int i;
	int n = hdspm->period_bytes;
	void *buf = hdspm->playback_buffer;

R
Remy Bruno 已提交
797 798
	if (buf == NULL)
		return;
T
Takashi Iwai 已提交
799 800 801 802 803 804 805

	for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
		memset(buf, 0, n);
		buf += HDSPM_CHANNEL_BUFFER_BYTES;
	}
}

806
static int hdspm_set_interrupt_interval(struct hdspm * s, unsigned int frames)
T
Takashi Iwai 已提交
807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829
{
	int n;

	spin_lock_irq(&s->lock);

	frames >>= 7;
	n = 0;
	while (frames) {
		n++;
		frames >>= 1;
	}
	s->control_register &= ~HDSPM_LatencyMask;
	s->control_register |= hdspm_encode_latency(n);

	hdspm_write(s, HDSPM_controlRegister, s->control_register);

	hdspm_compute_period_size(s);

	spin_unlock_irq(&s->lock);

	return 0;
}

830 831 832 833 834 835 836 837 838 839 840
static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
{
	u64 n;
	u32 r;
	
	if (rate >= 112000)
		rate /= 4;
	else if (rate >= 56000)
		rate /= 2;

	/* RME says n = 104857600000000, but in the windows MADI driver, I see:
R
Remy Bruno 已提交
841
//	return 104857600000000 / rate; // 100 MHz
842 843
	return 110100480000000 / rate; // 105 MHz
        */	   
T
Takashi Iwai 已提交
844
	/* n = 104857600000000ULL; */ /*  =  2^20 * 10^8 */
845 846 847 848 849 850
	n = 110100480000000ULL;    /* Value checked for AES32 and MADI */
	div64_32(&n, rate, &r);
	/* n should be less than 2^32 for being written to FREQ register */
	snd_assert((n >> 32) == 0);
	hdspm_write(hdspm, HDSPM_freqReg, (u32)n);
}
T
Takashi Iwai 已提交
851 852

/* dummy set rate lets see what happens */
853
static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
T
Takashi Iwai 已提交
854 855 856 857
{
	int current_rate;
	int rate_bits;
	int not_set = 0;
R
Remy Bruno 已提交
858
	int current_speed, target_speed;
T
Takashi Iwai 已提交
859 860 861 862 863 864 865 866 867 868 869 870 871 872

	/* ASSUMPTION: hdspm->lock is either set, or there is no need for
	   it (e.g. during module initialization).
	 */

	if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {

	        /* SLAVE --- */ 
		if (called_internally) {

        	  /* request from ctl or card initialization 
	             just make a warning an remember setting 
		     for future master mode switching */
    
T
Takashi Iwai 已提交
873 874 875
			snd_printk(KERN_WARNING "HDSPM: "
				   "Warning: device is not running "
				   "as a clock master.\n");
T
Takashi Iwai 已提交
876 877 878 879 880 881 882
			not_set = 1;
		} else {

			/* hw_param request while in AutoSync mode */
			int external_freq =
			    hdspm_external_sample_rate(hdspm);

T
Takashi Iwai 已提交
883 884
			if (hdspm_autosync_ref(hdspm) ==
			    HDSPM_AUTOSYNC_FROM_NONE) {
T
Takashi Iwai 已提交
885

T
Takashi Iwai 已提交
886 887
				snd_printk(KERN_WARNING "HDSPM: "
					   "Detected no Externel Sync \n");
T
Takashi Iwai 已提交
888 889 890 891
				not_set = 1;

			} else if (rate != external_freq) {

T
Takashi Iwai 已提交
892 893 894
				snd_printk(KERN_WARNING "HDSPM: "
					   "Warning: No AutoSync source for "
					   "requested rate\n");
T
Takashi Iwai 已提交
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911
				not_set = 1;
			}
		}
	}

	current_rate = hdspm->system_sample_rate;

	/* Changing between Singe, Double and Quad speed is not
	   allowed if any substreams are open. This is because such a change
	   causes a shift in the location of the DMA buffers and a reduction
	   in the number of available buffers.

	   Note that a similar but essentially insoluble problem exists for
	   externally-driven rate changes. All we can do is to flag rate
	   changes in the read/write routines.  
	 */

R
Remy Bruno 已提交
912 913 914 915 916 917 918 919 920 921 922 923 924
	if (current_rate <= 48000)
		current_speed = HDSPM_SPEED_SINGLE;
	else if (current_rate <= 96000)
		current_speed = HDSPM_SPEED_DOUBLE;
	else
		current_speed = HDSPM_SPEED_QUAD;

	if (rate <= 48000)
		target_speed = HDSPM_SPEED_SINGLE;
	else if (rate <= 96000)
		target_speed = HDSPM_SPEED_DOUBLE;
	else
		target_speed = HDSPM_SPEED_QUAD;
R
Remy Bruno 已提交
925

T
Takashi Iwai 已提交
926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944
	switch (rate) {
	case 32000:
		rate_bits = HDSPM_Frequency32KHz;
		break;
	case 44100:
		rate_bits = HDSPM_Frequency44_1KHz;
		break;
	case 48000:
		rate_bits = HDSPM_Frequency48KHz;
		break;
	case 64000:
		rate_bits = HDSPM_Frequency64KHz;
		break;
	case 88200:
		rate_bits = HDSPM_Frequency88_2KHz;
		break;
	case 96000:
		rate_bits = HDSPM_Frequency96KHz;
		break;
R
Remy Bruno 已提交
945 946 947 948 949 950 951 952 953
	case 128000:
		rate_bits = HDSPM_Frequency128KHz;
		break;
	case 176400:
		rate_bits = HDSPM_Frequency176_4KHz;
		break;
	case 192000:
		rate_bits = HDSPM_Frequency192KHz;
		break;
T
Takashi Iwai 已提交
954 955 956 957
	default:
		return -EINVAL;
	}

R
Remy Bruno 已提交
958
	if (current_speed != target_speed
T
Takashi Iwai 已提交
959 960
	    && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
		snd_printk
T
Takashi Iwai 已提交
961
		    (KERN_ERR "HDSPM: "
R
Remy Bruno 已提交
962
		     "cannot change from %s speed to %s speed mode "
T
Takashi Iwai 已提交
963
		     "(capture PID = %d, playback PID = %d)\n",
R
Remy Bruno 已提交
964 965
		     hdspm_speed_names[current_speed],
		     hdspm_speed_names[target_speed],
T
Takashi Iwai 已提交
966 967 968 969 970 971 972 973
		     hdspm->capture_pid, hdspm->playback_pid);
		return -EBUSY;
	}

	hdspm->control_register &= ~HDSPM_FrequencyMask;
	hdspm->control_register |= rate_bits;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

974 975 976 977 978 979 980 981 982 983
	/* For AES32, need to set DDS value in FREQ register
	   For MADI, also apparently */
	hdspm_set_dds_value(hdspm, rate);
	
	if (hdspm->is_aes32 && rate != current_rate)
		hdspm_write(hdspm, HDSPM_eeprom_wr, 0);
	
	/* For AES32 and for MADI (at least rev 204), channel_map needs to
	 * always be channel_map_madi_ss, whatever the sample rate */
	hdspm->channel_map = channel_map_madi_ss;
T
Takashi Iwai 已提交
984 985 986 987 988 989 990 991 992 993

	hdspm->system_sample_rate = rate;

	if (not_set != 0)
		return -1;

	return 0;
}

/* mainly for init to 0 on load */
994
static void all_in_all_mixer(struct hdspm * hdspm, int sgain)
T
Takashi Iwai 已提交
995 996
{
	int i, j;
T
Takashi Iwai 已提交
997 998 999 1000 1001 1002 1003 1004
	unsigned int gain;

	if (sgain > UNITY_GAIN)
		gain = UNITY_GAIN;
	else if (sgain < 0)
		gain = 0;
	else
		gain = sgain;
T
Takashi Iwai 已提交
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016

	for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
		for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
			hdspm_write_in_gain(hdspm, i, j, gain);
			hdspm_write_pb_gain(hdspm, i, j, gain);
		}
}

/*----------------------------------------------------------------------------
   MIDI
  ----------------------------------------------------------------------------*/

T
Takashi Iwai 已提交
1017 1018
static inline unsigned char snd_hdspm_midi_read_byte (struct hdspm *hdspm,
						      int id)
T
Takashi Iwai 已提交
1019 1020 1021 1022 1023 1024 1025 1026
{
	/* the hardware already does the relevant bit-mask with 0xff */
	if (id)
		return hdspm_read(hdspm, HDSPM_midiDataIn1);
	else
		return hdspm_read(hdspm, HDSPM_midiDataIn0);
}

T
Takashi Iwai 已提交
1027 1028
static inline void snd_hdspm_midi_write_byte (struct hdspm *hdspm, int id,
					      int val)
T
Takashi Iwai 已提交
1029 1030 1031
{
	/* the hardware already does the relevant bit-mask with 0xff */
	if (id)
1032
		hdspm_write(hdspm, HDSPM_midiDataOut1, val);
T
Takashi Iwai 已提交
1033
	else
1034
		hdspm_write(hdspm, HDSPM_midiDataOut0, val);
T
Takashi Iwai 已提交
1035 1036
}

1037
static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
T
Takashi Iwai 已提交
1038 1039 1040 1041 1042 1043 1044
{
	if (id)
		return (hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff);
	else
		return (hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff);
}

1045
static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id)
T
Takashi Iwai 已提交
1046 1047 1048 1049
{
	int fifo_bytes_used;

	if (id)
T
Takashi Iwai 已提交
1050
		fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1);
T
Takashi Iwai 已提交
1051
	else
T
Takashi Iwai 已提交
1052 1053
		fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0);
	fifo_bytes_used &= 0xff;
T
Takashi Iwai 已提交
1054 1055 1056 1057 1058 1059 1060

	if (fifo_bytes_used < 128)
		return  128 - fifo_bytes_used;
	else
		return 0;
}

1061
static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id)
T
Takashi Iwai 已提交
1062 1063 1064 1065 1066
{
	while (snd_hdspm_midi_input_available (hdspm, id))
		snd_hdspm_midi_read_byte (hdspm, id);
}

1067
static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)
T
Takashi Iwai 已提交
1068 1069 1070 1071 1072 1073 1074 1075 1076 1077
{
	unsigned long flags;
	int n_pending;
	int to_write;
	int i;
	unsigned char buf[128];

	/* Output is not interrupt driven */
		
	spin_lock_irqsave (&hmidi->lock, flags);
T
Takashi Iwai 已提交
1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
	if (hmidi->output &&
	    !snd_rawmidi_transmit_empty (hmidi->output)) {
		n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,
							    hmidi->id);
		if (n_pending > 0) {
			if (n_pending > (int)sizeof (buf))
				n_pending = sizeof (buf);
		
			to_write = snd_rawmidi_transmit (hmidi->output, buf,
							 n_pending);
			if (to_write > 0) {
				for (i = 0; i < to_write; ++i) 
					snd_hdspm_midi_write_byte (hmidi->hdspm,
								   hmidi->id,
								   buf[i]);
T
Takashi Iwai 已提交
1093 1094 1095 1096 1097 1098 1099
			}
		}
	}
	spin_unlock_irqrestore (&hmidi->lock, flags);
	return 0;
}

1100
static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)
T
Takashi Iwai 已提交
1101
{
T
Takashi Iwai 已提交
1102 1103 1104
	unsigned char buf[128]; /* this buffer is designed to match the MIDI
				 * input FIFO size
				 */
T
Takashi Iwai 已提交
1105 1106 1107 1108 1109
	unsigned long flags;
	int n_pending;
	int i;

	spin_lock_irqsave (&hmidi->lock, flags);
T
Takashi Iwai 已提交
1110 1111
	n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);
	if (n_pending > 0) {
T
Takashi Iwai 已提交
1112
		if (hmidi->input) {
T
Takashi Iwai 已提交
1113
			if (n_pending > (int)sizeof (buf))
T
Takashi Iwai 已提交
1114
				n_pending = sizeof (buf);
T
Takashi Iwai 已提交
1115 1116 1117 1118 1119 1120
			for (i = 0; i < n_pending; ++i)
				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,
								   hmidi->id);
			if (n_pending)
				snd_rawmidi_receive (hmidi->input, buf,
						     n_pending);
T
Takashi Iwai 已提交
1121 1122
		} else {
			/* flush the MIDI input FIFO */
T
Takashi Iwai 已提交
1123 1124 1125
			while (n_pending--)
				snd_hdspm_midi_read_byte (hmidi->hdspm,
							  hmidi->id);
T
Takashi Iwai 已提交
1126 1127 1128
		}
	}
	hmidi->pending = 0;
T
Takashi Iwai 已提交
1129
	if (hmidi->id)
T
Takashi Iwai 已提交
1130
		hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
T
Takashi Iwai 已提交
1131
	else
T
Takashi Iwai 已提交
1132
		hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
T
Takashi Iwai 已提交
1133 1134
	hdspm_write(hmidi->hdspm, HDSPM_controlRegister,
		    hmidi->hdspm->control_register);
T
Takashi Iwai 已提交
1135 1136 1137 1138
	spin_unlock_irqrestore (&hmidi->lock, flags);
	return snd_hdspm_midi_output_write (hmidi);
}

T
Takashi Iwai 已提交
1139 1140
static void
snd_hdspm_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
T
Takashi Iwai 已提交
1141
{
1142 1143
	struct hdspm *hdspm;
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1144 1145 1146
	unsigned long flags;
	u32 ie;

T
Takashi Iwai 已提交
1147
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1148
	hdspm = hmidi->hdspm;
T
Takashi Iwai 已提交
1149 1150
	ie = hmidi->id ?
		HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
T
Takashi Iwai 已提交
1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166
	spin_lock_irqsave (&hdspm->lock, flags);
	if (up) {
		if (!(hdspm->control_register & ie)) {
			snd_hdspm_flush_midi_input (hdspm, hmidi->id);
			hdspm->control_register |= ie;
		}
	} else {
		hdspm->control_register &= ~ie;
	}

	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	spin_unlock_irqrestore (&hdspm->lock, flags);
}

static void snd_hdspm_midi_output_timer(unsigned long data)
{
1167
	struct hdspm_midi *hmidi = (struct hdspm_midi *) data;
T
Takashi Iwai 已提交
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
	unsigned long flags;
	
	snd_hdspm_midi_output_write(hmidi);
	spin_lock_irqsave (&hmidi->lock, flags);

	/* this does not bump hmidi->istimer, because the
	   kernel automatically removed the timer when it
	   expired, and we are now adding it back, thus
	   leaving istimer wherever it was set before.  
	*/

	if (hmidi->istimer) {
		hmidi->timer.expires = 1 + jiffies;
		add_timer(&hmidi->timer);
	}

	spin_unlock_irqrestore (&hmidi->lock, flags);
}

T
Takashi Iwai 已提交
1187 1188
static void
snd_hdspm_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
T
Takashi Iwai 已提交
1189
{
1190
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1191 1192
	unsigned long flags;

T
Takashi Iwai 已提交
1193
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204
	spin_lock_irqsave (&hmidi->lock, flags);
	if (up) {
		if (!hmidi->istimer) {
			init_timer(&hmidi->timer);
			hmidi->timer.function = snd_hdspm_midi_output_timer;
			hmidi->timer.data = (unsigned long) hmidi;
			hmidi->timer.expires = 1 + jiffies;
			add_timer(&hmidi->timer);
			hmidi->istimer++;
		}
	} else {
T
Takashi Iwai 已提交
1205
		if (hmidi->istimer && --hmidi->istimer <= 0)
T
Takashi Iwai 已提交
1206 1207 1208 1209 1210 1211 1212
			del_timer (&hmidi->timer);
	}
	spin_unlock_irqrestore (&hmidi->lock, flags);
	if (up)
		snd_hdspm_midi_output_write(hmidi);
}

1213
static int snd_hdspm_midi_input_open(struct snd_rawmidi_substream *substream)
T
Takashi Iwai 已提交
1214
{
1215
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1216

T
Takashi Iwai 已提交
1217
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1218 1219 1220 1221 1222 1223 1224 1225
	spin_lock_irq (&hmidi->lock);
	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
	hmidi->input = substream;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1226
static int snd_hdspm_midi_output_open(struct snd_rawmidi_substream *substream)
T
Takashi Iwai 已提交
1227
{
1228
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1229

T
Takashi Iwai 已提交
1230
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1231 1232 1233 1234 1235 1236 1237
	spin_lock_irq (&hmidi->lock);
	hmidi->output = substream;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1238
static int snd_hdspm_midi_input_close(struct snd_rawmidi_substream *substream)
T
Takashi Iwai 已提交
1239
{
1240
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1241 1242 1243

	snd_hdspm_midi_input_trigger (substream, 0);

T
Takashi Iwai 已提交
1244
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1245 1246 1247 1248 1249 1250 1251
	spin_lock_irq (&hmidi->lock);
	hmidi->input = NULL;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1252
static int snd_hdspm_midi_output_close(struct snd_rawmidi_substream *substream)
T
Takashi Iwai 已提交
1253
{
1254
	struct hdspm_midi *hmidi;
T
Takashi Iwai 已提交
1255 1256 1257

	snd_hdspm_midi_output_trigger (substream, 0);

T
Takashi Iwai 已提交
1258
	hmidi = substream->rmidi->private_data;
T
Takashi Iwai 已提交
1259 1260 1261 1262 1263 1264 1265
	spin_lock_irq (&hmidi->lock);
	hmidi->output = NULL;
	spin_unlock_irq (&hmidi->lock);

	return 0;
}

1266
static struct snd_rawmidi_ops snd_hdspm_midi_output =
T
Takashi Iwai 已提交
1267 1268 1269 1270 1271 1272
{
	.open =		snd_hdspm_midi_output_open,
	.close =	snd_hdspm_midi_output_close,
	.trigger =	snd_hdspm_midi_output_trigger,
};

1273
static struct snd_rawmidi_ops snd_hdspm_midi_input =
T
Takashi Iwai 已提交
1274 1275 1276 1277 1278 1279
{
	.open =		snd_hdspm_midi_input_open,
	.close =	snd_hdspm_midi_input_close,
	.trigger =	snd_hdspm_midi_input_trigger,
};

T
Takashi Iwai 已提交
1280 1281
static int __devinit snd_hdspm_create_midi (struct snd_card *card,
					    struct hdspm *hdspm, int id)
T
Takashi Iwai 已提交
1282 1283 1284 1285 1286 1287 1288 1289 1290
{
	int err;
	char buf[32];

	hdspm->midi[id].id = id;
	hdspm->midi[id].hdspm = hdspm;
	spin_lock_init (&hdspm->midi[id].lock);

	sprintf (buf, "%s MIDI %d", card->shortname, id+1);
T
Takashi Iwai 已提交
1291 1292
	err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi);
	if (err < 0)
T
Takashi Iwai 已提交
1293 1294 1295 1296 1297
		return err;

	sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
	hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];

T
Takashi Iwai 已提交
1298 1299 1300 1301
	snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
			    &snd_hdspm_midi_output);
	snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
			    &snd_hdspm_midi_input);
T
Takashi Iwai 已提交
1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312

	hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
		SNDRV_RAWMIDI_INFO_INPUT |
		SNDRV_RAWMIDI_INFO_DUPLEX;

	return 0;
}


static void hdspm_midi_tasklet(unsigned long arg)
{
1313
	struct hdspm *hdspm = (struct hdspm *)arg;
T
Takashi Iwai 已提交
1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328
	
	if (hdspm->midi[0].pending)
		snd_hdspm_midi_input_read (&hdspm->midi[0]);
	if (hdspm->midi[1].pending)
		snd_hdspm_midi_input_read (&hdspm->midi[1]);
} 


/*-----------------------------------------------------------------------------
  Status Interface
  ----------------------------------------------------------------------------*/

/* get the system sample rate which is set */

#define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
1329
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1330 1331 1332 1333 1334 1335 1336
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_system_sample_rate, \
  .get = snd_hdspm_get_system_sample_rate \
}

1337 1338
static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
					     struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1339 1340 1341 1342 1343 1344
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	return 0;
}

1345 1346
static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
					    struct snd_ctl_elem_value *
T
Takashi Iwai 已提交
1347 1348
					    ucontrol)
{
1349
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1350 1351 1352 1353 1354 1355

	ucontrol->value.enumerated.item[0] = hdspm->system_sample_rate;
	return 0;
}

#define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
1356
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1357 1358 1359 1360 1361 1362 1363
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_autosync_sample_rate, \
  .get = snd_hdspm_get_autosync_sample_rate \
}

1364 1365
static int snd_hdspm_info_autosync_sample_rate(struct snd_kcontrol *kcontrol,
					       struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382
{
	static char *texts[] = { "32000", "44100", "48000",
		"64000", "88200", "96000",
		"128000", "176400", "192000",
		"None"
	};
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 10;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

1383 1384
static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
					      struct snd_ctl_elem_value *
T
Takashi Iwai 已提交
1385 1386
					      ucontrol)
{
1387
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424

	switch (hdspm_external_sample_rate(hdspm)) {
	case 32000:
		ucontrol->value.enumerated.item[0] = 0;
		break;
	case 44100:
		ucontrol->value.enumerated.item[0] = 1;
		break;
	case 48000:
		ucontrol->value.enumerated.item[0] = 2;
		break;
	case 64000:
		ucontrol->value.enumerated.item[0] = 3;
		break;
	case 88200:
		ucontrol->value.enumerated.item[0] = 4;
		break;
	case 96000:
		ucontrol->value.enumerated.item[0] = 5;
		break;
	case 128000:
		ucontrol->value.enumerated.item[0] = 6;
		break;
	case 176400:
		ucontrol->value.enumerated.item[0] = 7;
		break;
	case 192000:
		ucontrol->value.enumerated.item[0] = 8;
		break;

	default:
		ucontrol->value.enumerated.item[0] = 9;
	}
	return 0;
}

#define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
1425
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1426 1427 1428 1429 1430 1431 1432 1433 1434
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_system_clock_mode, \
  .get = snd_hdspm_get_system_clock_mode, \
}



1435
static int hdspm_system_clock_mode(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1436 1437 1438 1439 1440 1441 1442 1443
{
        /* Always reflect the hardware info, rme is never wrong !!!! */

	if (hdspm->control_register & HDSPM_ClockModeMaster)
		return 0;
	return 1;
}

1444 1445
static int snd_hdspm_info_system_clock_mode(struct snd_kcontrol *kcontrol,
					    struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
{
	static char *texts[] = { "Master", "Slave" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

1460 1461
static int snd_hdspm_get_system_clock_mode(struct snd_kcontrol *kcontrol,
					   struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1462
{
1463
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1464 1465 1466 1467 1468 1469 1470

	ucontrol->value.enumerated.item[0] =
	    hdspm_system_clock_mode(hdspm);
	return 0;
}

#define HDSPM_CLOCK_SOURCE(xname, xindex) \
1471
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1472 1473 1474 1475 1476 1477 1478
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_clock_source, \
  .get = snd_hdspm_get_clock_source, \
  .put = snd_hdspm_put_clock_source \
}

1479
static int hdspm_clock_source(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508
{
	if (hdspm->control_register & HDSPM_ClockModeMaster) {
		switch (hdspm->system_sample_rate) {
		case 32000:
			return 1;
		case 44100:
			return 2;
		case 48000:
			return 3;
		case 64000:
			return 4;
		case 88200:
			return 5;
		case 96000:
			return 6;
		case 128000:
			return 7;
		case 176400:
			return 8;
		case 192000:
			return 9;
		default:
			return 3;
		}
	} else {
		return 0;
	}
}

1509
static int hdspm_set_clock_source(struct hdspm * hdspm, int mode)
T
Takashi Iwai 已提交
1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558
{
	int rate;
	switch (mode) {

	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		if (hdspm_external_sample_rate(hdspm) != 0) {
			hdspm->control_register &= ~HDSPM_ClockModeMaster;
			hdspm_write(hdspm, HDSPM_controlRegister,
				    hdspm->control_register);
			return 0;
		}
		return -1;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		rate = 32000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		rate = 44100;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		rate = 48000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		rate = 64000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		rate = 88200;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		rate = 96000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
		rate = 128000;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
		rate = 176400;
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
		rate = 192000;
		break;

	default:
		rate = 44100;
	}
	hdspm->control_register |= HDSPM_ClockModeMaster;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	hdspm_set_rate(hdspm, rate, 1);
	return 0;
}

1559 1560
static int snd_hdspm_info_clock_source(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584
{
	static char *texts[] = { "AutoSync",
		"Internal 32.0 kHz", "Internal 44.1 kHz",
		    "Internal 48.0 kHz",
		"Internal 64.0 kHz", "Internal 88.2 kHz",
		    "Internal 96.0 kHz",
		"Internal 128.0 kHz", "Internal 176.4 kHz",
		    "Internal 192.0 kHz"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 10;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;

	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

1585 1586
static int snd_hdspm_get_clock_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1587
{
1588
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1589 1590 1591 1592 1593

	ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
	return 0;
}

1594 1595
static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1596
{
1597
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1598 1599 1600 1601 1602 1603 1604 1605
	int change;
	int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.enumerated.item[0];
	if (val < 0)
		val = 0;
R
Remy Bruno 已提交
1606 1607
	if (val > 9)
		val = 9;
T
Takashi Iwai 已提交
1608 1609 1610 1611 1612 1613 1614 1615 1616 1617
	spin_lock_irq(&hdspm->lock);
	if (val != hdspm_clock_source(hdspm))
		change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
	else
		change = 0;
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_PREF_SYNC_REF(xname, xindex) \
1618
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1619 1620 1621 1622 1623 1624 1625
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_pref_sync_ref, \
  .get = snd_hdspm_get_pref_sync_ref, \
  .put = snd_hdspm_put_pref_sync_ref \
}

1626
static int hdspm_pref_sync_ref(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1627 1628 1629 1630
{
	/* Notice that this looks at the requested sync source,
	   not the one actually in use.
	 */
R
Remy Bruno 已提交
1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651
	if (hdspm->is_aes32) {
		switch (hdspm->control_register & HDSPM_SyncRefMask) {
		/* number gives AES index, except for 0 which
		   corresponds to WordClock */
		case 0: return 0;
		case HDSPM_SyncRef0: return 1;
		case HDSPM_SyncRef1: return 2;
		case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3;
		case HDSPM_SyncRef2: return 4;
		case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5;
		case HDSPM_SyncRef2+HDSPM_SyncRef1: return 6;
		case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0: return 7;
		case HDSPM_SyncRef3: return 8;
		}
	} else {
		switch (hdspm->control_register & HDSPM_SyncRefMask) {
		case HDSPM_SyncRef_Word:
			return HDSPM_SYNC_FROM_WORD;
		case HDSPM_SyncRef_MADI:
			return HDSPM_SYNC_FROM_MADI;
		}
T
Takashi Iwai 已提交
1652 1653 1654 1655 1656
	}

	return HDSPM_SYNC_FROM_WORD;
}

1657
static int hdspm_set_pref_sync_ref(struct hdspm * hdspm, int pref)
T
Takashi Iwai 已提交
1658 1659 1660
{
	hdspm->control_register &= ~HDSPM_SyncRefMask;

R
Remy Bruno 已提交
1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
	if (hdspm->is_aes32) {
		switch (pref) {
		case 0:
		       hdspm->control_register |= 0;
		       break;
		case 1:
		       hdspm->control_register |= HDSPM_SyncRef0;
		       break;
		case 2:
		       hdspm->control_register |= HDSPM_SyncRef1;
		       break;
		case 3:
		       hdspm->control_register |= HDSPM_SyncRef1+HDSPM_SyncRef0;
		       break;
		case 4:
		       hdspm->control_register |= HDSPM_SyncRef2;
		       break;
		case 5:
		       hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef0;
		       break;
		case 6:
		       hdspm->control_register |= HDSPM_SyncRef2+HDSPM_SyncRef1;
		       break;
		case 7:
T
Takashi Iwai 已提交
1685 1686
		       hdspm->control_register |=
			       HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
R
Remy Bruno 已提交
1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
		       break;
		case 8:
		       hdspm->control_register |= HDSPM_SyncRef3;
		       break;
		default:
		       return -1;
		}
	} else {
		switch (pref) {
		case HDSPM_SYNC_FROM_MADI:
			hdspm->control_register |= HDSPM_SyncRef_MADI;
			break;
		case HDSPM_SYNC_FROM_WORD:
			hdspm->control_register |= HDSPM_SyncRef_Word;
			break;
		default:
			return -1;
		}
T
Takashi Iwai 已提交
1705 1706 1707 1708 1709
	}
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
	return 0;
}

1710 1711
static int snd_hdspm_info_pref_sync_ref(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1712
{
R
Remy Bruno 已提交
1713
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1714

R
Remy Bruno 已提交
1715 1716 1717
	if (hdspm->is_aes32) {
		static char *texts[] = { "Word", "AES1", "AES2", "AES3",
			"AES4", "AES5",	"AES6", "AES7", "AES8" };
T
Takashi Iwai 已提交
1718

R
Remy Bruno 已提交
1719 1720
		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
T
Takashi Iwai 已提交
1721

R
Remy Bruno 已提交
1722 1723
		uinfo->value.enumerated.items = 9;

T
Takashi Iwai 已提交
1724 1725
		if (uinfo->value.enumerated.item >=
		    uinfo->value.enumerated.items)
R
Remy Bruno 已提交
1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	} else {
		static char *texts[] = { "Word", "MADI" };

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;

		uinfo->value.enumerated.items = 2;

T
Takashi Iwai 已提交
1738 1739
		if (uinfo->value.enumerated.item >=
		    uinfo->value.enumerated.items)
R
Remy Bruno 已提交
1740 1741 1742 1743 1744
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	}
T
Takashi Iwai 已提交
1745 1746 1747
	return 0;
}

1748 1749
static int snd_hdspm_get_pref_sync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1750
{
1751
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1752 1753 1754 1755 1756

	ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
	return 0;
}

1757 1758
static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1759
{
1760
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1761 1762 1763
	int change, max;
	unsigned int val;

R
Remy Bruno 已提交
1764
	max = hdspm->is_aes32 ? 9 : 2;
T
Takashi Iwai 已提交
1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	val = ucontrol->value.enumerated.item[0] % max;

	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_pref_sync_ref(hdspm);
	hdspm_set_pref_sync_ref(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_AUTOSYNC_REF(xname, xindex) \
1779
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1780 1781 1782 1783 1784 1785 1786
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
  .info = snd_hdspm_info_autosync_ref, \
  .get = snd_hdspm_get_autosync_ref, \
}

1787
static int hdspm_autosync_ref(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1788
{
R
Remy Bruno 已提交
1789 1790
	if (hdspm->is_aes32) {
		unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
T
Takashi Iwai 已提交
1791 1792
		unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) &
			0xF;
R
Remy Bruno 已提交
1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811
		if (syncref == 0)
			return HDSPM_AES32_AUTOSYNC_FROM_WORD;
		if (syncref <= 8)
			return syncref;
		return HDSPM_AES32_AUTOSYNC_FROM_NONE;
	} else {
		/* This looks at the autosync selected sync reference */
		unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);

		switch (status2 & HDSPM_SelSyncRefMask) {
		case HDSPM_SelSyncRef_WORD:
			return HDSPM_AUTOSYNC_FROM_WORD;
		case HDSPM_SelSyncRef_MADI:
			return HDSPM_AUTOSYNC_FROM_MADI;
		case HDSPM_SelSyncRef_NVALID:
			return HDSPM_AUTOSYNC_FROM_NONE;
		default:
			return 0;
		}
T
Takashi Iwai 已提交
1812 1813 1814 1815 1816

		return 0;
	}
}

1817 1818
static int snd_hdspm_info_autosync_ref(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
1819
{
R
Remy Bruno 已提交
1820
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1821

R
Remy Bruno 已提交
1822 1823 1824 1825 1826 1827 1828
	if (hdspm->is_aes32) {
		static char *texts[] = { "WordClock", "AES1", "AES2", "AES3",
			"AES4",	"AES5", "AES6", "AES7", "AES8", "None"};

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
		uinfo->value.enumerated.items = 10;
T
Takashi Iwai 已提交
1829 1830
		if (uinfo->value.enumerated.item >=
		    uinfo->value.enumerated.items)
R
Remy Bruno 已提交
1831 1832 1833 1834
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
T
Takashi Iwai 已提交
1835
	} else {
R
Remy Bruno 已提交
1836 1837 1838 1839 1840
		static char *texts[] = { "WordClock", "MADI", "None" };

		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
		uinfo->count = 1;
		uinfo->value.enumerated.items = 3;
T
Takashi Iwai 已提交
1841 1842
		if (uinfo->value.enumerated.item >=
		    uinfo->value.enumerated.items)
R
Remy Bruno 已提交
1843 1844 1845 1846 1847
			uinfo->value.enumerated.item =
				uinfo->value.enumerated.items - 1;
		strcpy(uinfo->value.enumerated.name,
				texts[uinfo->value.enumerated.item]);
	}
T
Takashi Iwai 已提交
1848 1849 1850
	return 0;
}

1851 1852
static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1853
{
1854
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1855

R
Remy Bruno 已提交
1856
	ucontrol->value.enumerated.item[0] = hdspm_autosync_ref(hdspm);
T
Takashi Iwai 已提交
1857 1858 1859 1860
	return 0;
}

#define HDSPM_LINE_OUT(xname, xindex) \
1861
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1862 1863 1864 1865 1866 1867 1868
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_line_out, \
  .get = snd_hdspm_get_line_out, \
  .put = snd_hdspm_put_line_out \
}

1869
static int hdspm_line_out(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1870 1871 1872 1873 1874
{
	return (hdspm->control_register & HDSPM_LineOut) ? 1 : 0;
}


1875
static int hdspm_set_line_output(struct hdspm * hdspm, int out)
T
Takashi Iwai 已提交
1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
{
	if (out)
		hdspm->control_register |= HDSPM_LineOut;
	else
		hdspm->control_register &= ~HDSPM_LineOut;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1886
#define snd_hdspm_info_line_out		snd_ctl_boolean_mono_info
T
Takashi Iwai 已提交
1887

1888 1889
static int snd_hdspm_get_line_out(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1890
{
1891
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1892 1893 1894 1895 1896 1897 1898

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_line_out(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

1899 1900
static int snd_hdspm_put_line_out(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1901
{
1902
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_line_out(hdspm);
	hdspm_set_line_output(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_TX_64(xname, xindex) \
1917
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1918 1919 1920 1921 1922 1923 1924
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_tx_64, \
  .get = snd_hdspm_get_tx_64, \
  .put = snd_hdspm_put_tx_64 \
}

1925
static int hdspm_tx_64(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1926 1927 1928 1929
{
	return (hdspm->control_register & HDSPM_TX_64ch) ? 1 : 0;
}

1930
static int hdspm_set_tx_64(struct hdspm * hdspm, int out)
T
Takashi Iwai 已提交
1931 1932 1933 1934 1935 1936 1937 1938 1939 1940
{
	if (out)
		hdspm->control_register |= HDSPM_TX_64ch;
	else
		hdspm->control_register &= ~HDSPM_TX_64ch;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1941
#define snd_hdspm_info_tx_64		snd_ctl_boolean_mono_info
T
Takashi Iwai 已提交
1942

1943 1944
static int snd_hdspm_get_tx_64(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1945
{
1946
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1947 1948 1949 1950 1951 1952 1953

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_tx_64(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

1954 1955
static int snd_hdspm_put_tx_64(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
1956
{
1957
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_tx_64(hdspm);
	hdspm_set_tx_64(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_C_TMS(xname, xindex) \
1972
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
1973 1974 1975 1976 1977 1978 1979
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_c_tms, \
  .get = snd_hdspm_get_c_tms, \
  .put = snd_hdspm_put_c_tms \
}

1980
static int hdspm_c_tms(struct hdspm * hdspm)
T
Takashi Iwai 已提交
1981 1982 1983 1984
{
	return (hdspm->control_register & HDSPM_clr_tms) ? 1 : 0;
}

1985
static int hdspm_set_c_tms(struct hdspm * hdspm, int out)
T
Takashi Iwai 已提交
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995
{
	if (out)
		hdspm->control_register |= HDSPM_clr_tms;
	else
		hdspm->control_register &= ~HDSPM_clr_tms;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

1996
#define snd_hdspm_info_c_tms		snd_ctl_boolean_mono_info
T
Takashi Iwai 已提交
1997

1998 1999
static int snd_hdspm_get_c_tms(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2000
{
2001
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2002 2003 2004 2005 2006 2007 2008

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_c_tms(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

2009 2010
static int snd_hdspm_put_c_tms(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2011
{
2012
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_c_tms(hdspm);
	hdspm_set_c_tms(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_SAFE_MODE(xname, xindex) \
2027
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
2028 2029 2030 2031 2032 2033 2034
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_safe_mode, \
  .get = snd_hdspm_get_safe_mode, \
  .put = snd_hdspm_put_safe_mode \
}

R
Remy Bruno 已提交
2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050
static int hdspm_safe_mode(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_AutoInp) ? 1 : 0;
}

static int hdspm_set_safe_mode(struct hdspm * hdspm, int out)
{
	if (out)
		hdspm->control_register |= HDSPM_AutoInp;
	else
		hdspm->control_register &= ~HDSPM_AutoInp;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

2051
#define snd_hdspm_info_safe_mode	snd_ctl_boolean_mono_info
R
Remy Bruno 已提交
2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105

static int snd_hdspm_get_safe_mode(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] = hdspm_safe_mode(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_safe_mode(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_safe_mode(hdspm);
	hdspm_set_safe_mode(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_EMPHASIS(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_emphasis, \
  .get = snd_hdspm_get_emphasis, \
  .put = snd_hdspm_put_emphasis \
}

static int hdspm_emphasis(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Emphasis) ? 1 : 0;
}

static int hdspm_set_emphasis(struct hdspm * hdspm, int emp)
{
	if (emp)
		hdspm->control_register |= HDSPM_Emphasis;
	else
		hdspm->control_register &= ~HDSPM_Emphasis;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

2106
#define snd_hdspm_info_emphasis		snd_ctl_boolean_mono_info
R
Remy Bruno 已提交
2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160

static int snd_hdspm_get_emphasis(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_emphasis(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_emphasis(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_emphasis(hdspm);
	hdspm_set_emphasis(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_DOLBY(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_dolby, \
  .get = snd_hdspm_get_dolby, \
  .put = snd_hdspm_put_dolby \
}

static int hdspm_dolby(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Dolby) ? 1 : 0;
}

static int hdspm_set_dolby(struct hdspm * hdspm, int dol)
{
	if (dol)
		hdspm->control_register |= HDSPM_Dolby;
	else
		hdspm->control_register &= ~HDSPM_Dolby;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

2161
#define snd_hdspm_info_dolby		snd_ctl_boolean_mono_info
R
Remy Bruno 已提交
2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215

static int snd_hdspm_get_dolby(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_dolby(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_dolby(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_dolby(hdspm);
	hdspm_set_dolby(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_PROFESSIONAL(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_professional, \
  .get = snd_hdspm_get_professional, \
  .put = snd_hdspm_put_professional \
}

static int hdspm_professional(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_Professional) ? 1 : 0;
}

static int hdspm_set_professional(struct hdspm * hdspm, int dol)
{
	if (dol)
		hdspm->control_register |= HDSPM_Professional;
	else
		hdspm->control_register &= ~HDSPM_Professional;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

2216
#define snd_hdspm_info_professional	snd_ctl_boolean_mono_info
R
Remy Bruno 已提交
2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326

static int snd_hdspm_get_professional(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_professional(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_professional(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_professional(hdspm);
	hdspm_set_professional(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_INPUT_SELECT(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_input_select, \
  .get = snd_hdspm_get_input_select, \
  .put = snd_hdspm_put_input_select \
}

static int hdspm_input_select(struct hdspm * hdspm)
{
	return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
}

static int hdspm_set_input_select(struct hdspm * hdspm, int out)
{
	if (out)
		hdspm->control_register |= HDSPM_InputSelect0;
	else
		hdspm->control_register &= ~HDSPM_InputSelect0;
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

static int snd_hdspm_info_input_select(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_info *uinfo)
{
	static char *texts[] = { "optical", "coaxial" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

static int snd_hdspm_get_input_select(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
	change = (int) val != hdspm_input_select(hdspm);
	hdspm_set_input_select(hdspm, val);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_DS_WIRE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .info = snd_hdspm_info_ds_wire, \
  .get = snd_hdspm_get_ds_wire, \
  .put = snd_hdspm_put_ds_wire \
}

static int hdspm_ds_wire(struct hdspm * hdspm)
T
Takashi Iwai 已提交
2327
{
R
Remy Bruno 已提交
2328
	return (hdspm->control_register & HDSPM_DS_DoubleWire) ? 1 : 0;
T
Takashi Iwai 已提交
2329 2330
}

R
Remy Bruno 已提交
2331
static int hdspm_set_ds_wire(struct hdspm * hdspm, int ds)
T
Takashi Iwai 已提交
2332
{
R
Remy Bruno 已提交
2333 2334
	if (ds)
		hdspm->control_register |= HDSPM_DS_DoubleWire;
T
Takashi Iwai 已提交
2335
	else
R
Remy Bruno 已提交
2336
		hdspm->control_register &= ~HDSPM_DS_DoubleWire;
T
Takashi Iwai 已提交
2337 2338 2339 2340 2341
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

R
Remy Bruno 已提交
2342 2343
static int snd_hdspm_info_ds_wire(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
2344
{
R
Remy Bruno 已提交
2345 2346 2347
	static char *texts[] = { "Single", "Double" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
T
Takashi Iwai 已提交
2348
	uinfo->count = 1;
R
Remy Bruno 已提交
2349 2350 2351 2352 2353 2354 2355 2356
	uinfo->value.enumerated.items = 2;

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

T
Takashi Iwai 已提交
2357 2358 2359
	return 0;
}

R
Remy Bruno 已提交
2360 2361
static int snd_hdspm_get_ds_wire(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2362
{
2363
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2364 2365

	spin_lock_irq(&hdspm->lock);
R
Remy Bruno 已提交
2366
	ucontrol->value.enumerated.item[0] = hdspm_ds_wire(hdspm);
T
Takashi Iwai 已提交
2367 2368 2369 2370
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

R
Remy Bruno 已提交
2371 2372
static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2373
{
2374
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2375 2376 2377 2378 2379 2380 2381
	int change;
	unsigned int val;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
	val = ucontrol->value.integer.value[0] & 1;
	spin_lock_irq(&hdspm->lock);
R
Remy Bruno 已提交
2382 2383
	change = (int) val != hdspm_ds_wire(hdspm);
	hdspm_set_ds_wire(hdspm, val);
T
Takashi Iwai 已提交
2384 2385 2386 2387
	spin_unlock_irq(&hdspm->lock);
	return change;
}

R
Remy Bruno 已提交
2388
#define HDSPM_QS_WIRE(xname, xindex) \
2389
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
2390 2391
  .name = xname, \
  .index = xindex, \
R
Remy Bruno 已提交
2392 2393 2394
  .info = snd_hdspm_info_qs_wire, \
  .get = snd_hdspm_get_qs_wire, \
  .put = snd_hdspm_put_qs_wire \
T
Takashi Iwai 已提交
2395 2396
}

R
Remy Bruno 已提交
2397
static int hdspm_qs_wire(struct hdspm * hdspm)
T
Takashi Iwai 已提交
2398
{
R
Remy Bruno 已提交
2399 2400 2401 2402 2403
	if (hdspm->control_register & HDSPM_QS_DoubleWire)
		return 1;
	if (hdspm->control_register & HDSPM_QS_QuadWire)
		return 2;
	return 0;
T
Takashi Iwai 已提交
2404 2405
}

R
Remy Bruno 已提交
2406
static int hdspm_set_qs_wire(struct hdspm * hdspm, int mode)
T
Takashi Iwai 已提交
2407
{
R
Remy Bruno 已提交
2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418
	hdspm->control_register &= ~(HDSPM_QS_DoubleWire | HDSPM_QS_QuadWire);
	switch (mode) {
	case 0:
		break;
	case 1:
		hdspm->control_register |= HDSPM_QS_DoubleWire;
		break;
	case 2:
		hdspm->control_register |= HDSPM_QS_QuadWire;
		break;
	}
T
Takashi Iwai 已提交
2419 2420 2421 2422 2423
	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

	return 0;
}

R
Remy Bruno 已提交
2424
static int snd_hdspm_info_qs_wire(struct snd_kcontrol *kcontrol,
2425
				       struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
2426
{
R
Remy Bruno 已提交
2427
	static char *texts[] = { "Single", "Double", "Quad" };
T
Takashi Iwai 已提交
2428 2429 2430

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
R
Remy Bruno 已提交
2431
	uinfo->value.enumerated.items = 3;
T
Takashi Iwai 已提交
2432 2433 2434 2435 2436 2437 2438 2439 2440 2441

	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);

	return 0;
}

R
Remy Bruno 已提交
2442
static int snd_hdspm_get_qs_wire(struct snd_kcontrol *kcontrol,
2443
				      struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2444
{
2445
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2446 2447

	spin_lock_irq(&hdspm->lock);
R
Remy Bruno 已提交
2448
	ucontrol->value.enumerated.item[0] = hdspm_qs_wire(hdspm);
T
Takashi Iwai 已提交
2449 2450 2451 2452
	spin_unlock_irq(&hdspm->lock);
	return 0;
}

R
Remy Bruno 已提交
2453
static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
2454
				      struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2455
{
2456
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2457
	int change;
R
Remy Bruno 已提交
2458
	int val;
T
Takashi Iwai 已提交
2459 2460 2461

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;
R
Remy Bruno 已提交
2462 2463 2464 2465 2466
	val = ucontrol->value.integer.value[0];
	if (val < 0)
		val = 0;
	if (val > 2)
		val = 2;
T
Takashi Iwai 已提交
2467
	spin_lock_irq(&hdspm->lock);
T
Takashi Iwai 已提交
2468
	change = val != hdspm_qs_wire(hdspm);
R
Remy Bruno 已提交
2469
	hdspm_set_qs_wire(hdspm, val);
T
Takashi Iwai 已提交
2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487
	spin_unlock_irq(&hdspm->lock);
	return change;
}

/*           Simple Mixer
  deprecated since to much faders ???
  MIXER interface says output (source, destination, value)
   where source > MAX_channels are playback channels 
   on MADICARD 
  - playback mixer matrix: [channelout+64] [output] [value]
  - input(thru) mixer matrix: [channelin] [output] [value]
  (better do 2 kontrols for seperation ?)
*/

#define HDSPM_MIXER(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
  .name = xname, \
  .index = xindex, \
2488
  .device = 0, \
T
Takashi Iwai 已提交
2489 2490 2491 2492 2493 2494 2495
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_mixer, \
  .get = snd_hdspm_get_mixer, \
  .put = snd_hdspm_put_mixer \
}

2496 2497
static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
2498 2499 2500 2501 2502 2503 2504 2505 2506
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 3;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 65535;
	uinfo->value.integer.step = 1;
	return 0;
}

2507 2508
static int snd_hdspm_get_mixer(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2509
{
2510
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539
	int source;
	int destination;

	source = ucontrol->value.integer.value[0];
	if (source < 0)
		source = 0;
	else if (source >= 2 * HDSPM_MAX_CHANNELS)
		source = 2 * HDSPM_MAX_CHANNELS - 1;

	destination = ucontrol->value.integer.value[1];
	if (destination < 0)
		destination = 0;
	else if (destination >= HDSPM_MAX_CHANNELS)
		destination = HDSPM_MAX_CHANNELS - 1;

	spin_lock_irq(&hdspm->lock);
	if (source >= HDSPM_MAX_CHANNELS)
		ucontrol->value.integer.value[2] =
		    hdspm_read_pb_gain(hdspm, destination,
				       source - HDSPM_MAX_CHANNELS);
	else
		ucontrol->value.integer.value[2] =
		    hdspm_read_in_gain(hdspm, destination, source);

	spin_unlock_irq(&hdspm->lock);

	return 0;
}

2540 2541
static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2542
{
2543
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568
	int change;
	int source;
	int destination;
	int gain;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	source = ucontrol->value.integer.value[0];
	destination = ucontrol->value.integer.value[1];

	if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
		return -1;
	if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
		return -1;

	gain = ucontrol->value.integer.value[2];

	spin_lock_irq(&hdspm->lock);

	if (source >= HDSPM_MAX_CHANNELS)
		change = gain != hdspm_read_pb_gain(hdspm, destination,
						    source -
						    HDSPM_MAX_CHANNELS);
	else
T
Takashi Iwai 已提交
2569 2570
		change = gain != hdspm_read_in_gain(hdspm, destination,
						    source);
T
Takashi Iwai 已提交
2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599

	if (change) {
		if (source >= HDSPM_MAX_CHANNELS)
			hdspm_write_pb_gain(hdspm, destination,
					    source - HDSPM_MAX_CHANNELS,
					    gain);
		else
			hdspm_write_in_gain(hdspm, destination, source,
					    gain);
	}
	spin_unlock_irq(&hdspm->lock);

	return change;
}

/* The simple mixer control(s) provide gain control for the
   basic 1:1 mappings of playback streams to output
   streams. 
*/

#define HDSPM_PLAYBACK_MIXER \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_playback_mixer, \
  .get = snd_hdspm_get_playback_mixer, \
  .put = snd_hdspm_put_playback_mixer \
}

2600 2601
static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
					 struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
2602 2603 2604 2605 2606 2607 2608 2609 2610
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 65536;
	uinfo->value.integer.step = 1;
	return 0;
}

2611 2612
static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2613
{
2614
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2615 2616 2617 2618 2619 2620 2621 2622
	int channel;
	int mapped_channel;

	channel = ucontrol->id.index - 1;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return -EINVAL);

T
Takashi Iwai 已提交
2623 2624
	mapped_channel = hdspm->channel_map[channel];
	if (mapped_channel < 0)
T
Takashi Iwai 已提交
2625 2626 2627 2628 2629 2630 2631
		return -EINVAL;

	spin_lock_irq(&hdspm->lock);
	ucontrol->value.integer.value[0] =
	    hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
	spin_unlock_irq(&hdspm->lock);

T
Takashi Iwai 已提交
2632 2633 2634 2635 2636 2637
	/*
	snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, "
		    "value %d\n",
		    ucontrol->id.index, channel, mapped_channel,
		    ucontrol->value.integer.value[0]); 
	*/
T
Takashi Iwai 已提交
2638 2639 2640
	return 0;
}

2641 2642
static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2643
{
2644
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657
	int change;
	int channel;
	int mapped_channel;
	int gain;

	if (!snd_hdspm_use_is_exclusive(hdspm))
		return -EBUSY;

	channel = ucontrol->id.index - 1;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return -EINVAL);

T
Takashi Iwai 已提交
2658 2659
	mapped_channel = hdspm->channel_map[channel];
	if (mapped_channel < 0)
T
Takashi Iwai 已提交
2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675
		return -EINVAL;

	gain = ucontrol->value.integer.value[0];

	spin_lock_irq(&hdspm->lock);
	change =
	    gain != hdspm_read_pb_gain(hdspm, mapped_channel,
				       mapped_channel);
	if (change)
		hdspm_write_pb_gain(hdspm, mapped_channel, mapped_channel,
				    gain);
	spin_unlock_irq(&hdspm->lock);
	return change;
}

#define HDSPM_WC_SYNC_CHECK(xname, xindex) \
2676
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
2677 2678 2679 2680 2681 2682 2683
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_wc_sync_check \
}

2684 2685
static int snd_hdspm_info_sync_check(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_info *uinfo)
T
Takashi Iwai 已提交
2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698
{
	static char *texts[] = { "No Lock", "Lock", "Sync" };
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item =
		    uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

2699
static int hdspm_wc_sync_check(struct hdspm * hdspm)
T
Takashi Iwai 已提交
2700
{
R
Remy Bruno 已提交
2701 2702 2703 2704 2705
	if (hdspm->is_aes32) {
		int status = hdspm_read(hdspm, HDSPM_statusRegister);
		if (status & HDSPM_AES32_wcLock) {
			/* I don't know how to differenciate sync from lock.
			   Doing as if sync for now */
T
Takashi Iwai 已提交
2706
			return 2;
R
Remy Bruno 已提交
2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717
		}
		return 0;
	} else {
		int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
		if (status2 & HDSPM_wcLock) {
			if (status2 & HDSPM_wcSync)
				return 2;
			else
				return 1;
		}
		return 0;
T
Takashi Iwai 已提交
2718 2719 2720
	}
}

2721 2722
static int snd_hdspm_get_wc_sync_check(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
T
Takashi Iwai 已提交
2723
{
2724
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2725 2726 2727 2728 2729 2730 2731

	ucontrol->value.enumerated.item[0] = hdspm_wc_sync_check(hdspm);
	return 0;
}


#define HDSPM_MADI_SYNC_CHECK(xname, xindex) \
2732
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
T
Takashi Iwai 已提交
2733 2734 2735 2736 2737 2738 2739
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_madisync_sync_check \
}

2740
static int hdspm_madisync_sync_check(struct hdspm * hdspm)
T
Takashi Iwai 已提交
2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751
{
	int status = hdspm_read(hdspm, HDSPM_statusRegister);
	if (status & HDSPM_madiLock) {
		if (status & HDSPM_madiSync)
			return 2;
		else
			return 1;
	}
	return 0;
}

2752 2753
static int snd_hdspm_get_madisync_sync_check(struct snd_kcontrol *kcontrol,
					     struct snd_ctl_elem_value *
T
Takashi Iwai 已提交
2754 2755
					     ucontrol)
{
2756
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
T
Takashi Iwai 已提交
2757 2758 2759 2760 2761 2762 2763

	ucontrol->value.enumerated.item[0] =
	    hdspm_madisync_sync_check(hdspm);
	return 0;
}


R
Remy Bruno 已提交
2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797
#define HDSPM_AES_SYNC_CHECK(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .name = xname, \
  .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
  .info = snd_hdspm_info_sync_check, \
  .get = snd_hdspm_get_aes_sync_check \
}

static int hdspm_aes_sync_check(struct hdspm * hdspm, int idx)
{
	int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
	if (status2 & (HDSPM_LockAES >> idx)) {
		/* I don't know how to differenciate sync from lock.
		   Doing as if sync for now */
		return 2;
	}
	return 0;
}

static int snd_hdspm_get_aes_sync_check(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	int offset;
	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);

	offset = ucontrol->id.index - 1;
	if (offset < 0 || offset >= 8)
		return -EINVAL;

	ucontrol->value.enumerated.item[0] =
		hdspm_aes_sync_check(hdspm, offset);
	return 0;
}
T
Takashi Iwai 已提交
2798 2799


R
Remy Bruno 已提交
2800
static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
T
Takashi Iwai 已提交
2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820

	HDSPM_MIXER("Mixer", 0),
/* 'Sample Clock Source' complies with the alsa control naming scheme */
	HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),

	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
/* 'External Rate' complies with the alsa control naming scheme */
	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
	HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
	HDSPM_MADI_SYNC_CHECK("MADI Sync Lock Status", 0),
	HDSPM_LINE_OUT("Line Out", 0),
	HDSPM_TX_64("TX 64 channels mode", 0),
	HDSPM_C_TMS("Clear Track Marker", 0),
	HDSPM_SAFE_MODE("Safe Mode", 0),
	HDSPM_INPUT_SELECT("Input Select", 0),
};

R
Remy Bruno 已提交
2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843
static struct snd_kcontrol_new snd_hdspm_controls_aes32[] = {

	HDSPM_MIXER("Mixer", 0),
/* 'Sample Clock Source' complies with the alsa control naming scheme */
	HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),

	HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
/* 'External Rate' complies with the alsa control naming scheme */
	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
	HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
/*	HDSPM_AES_SYNC_CHECK("AES Lock Status", 0),*/ /* created in snd_hdspm_create_controls() */
	HDSPM_LINE_OUT("Line Out", 0),
	HDSPM_EMPHASIS("Emphasis", 0),
	HDSPM_DOLBY("Non Audio", 0),
	HDSPM_PROFESSIONAL("Professional", 0),
	HDSPM_C_TMS("Clear Track Marker", 0),
	HDSPM_DS_WIRE("Double Speed Wire Mode", 0),
	HDSPM_QS_WIRE("Quad Speed Wire Mode", 0),
};

2844
static struct snd_kcontrol_new snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
T
Takashi Iwai 已提交
2845 2846


2847
static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm)
T
Takashi Iwai 已提交
2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870
{
	int i;

	for (i = hdspm->ds_channels; i < hdspm->ss_channels; ++i) {
		if (hdspm->system_sample_rate > 48000) {
			hdspm->playback_mixer_ctls[i]->vd[0].access =
			    SNDRV_CTL_ELEM_ACCESS_INACTIVE |
			    SNDRV_CTL_ELEM_ACCESS_READ |
			    SNDRV_CTL_ELEM_ACCESS_VOLATILE;
		} else {
			hdspm->playback_mixer_ctls[i]->vd[0].access =
			    SNDRV_CTL_ELEM_ACCESS_READWRITE |
			    SNDRV_CTL_ELEM_ACCESS_VOLATILE;
		}
		snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
			       SNDRV_CTL_EVENT_MASK_INFO,
			       &hdspm->playback_mixer_ctls[i]->id);
	}

	return 0;
}


2871
static int snd_hdspm_create_controls(struct snd_card *card, struct hdspm * hdspm)
T
Takashi Iwai 已提交
2872 2873 2874
{
	unsigned int idx, limit;
	int err;
2875
	struct snd_kcontrol *kctl;
T
Takashi Iwai 已提交
2876 2877

	/* add control list first */
R
Remy Bruno 已提交
2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904
	if (hdspm->is_aes32) {
		struct snd_kcontrol_new aes_sync_ctl =
			HDSPM_AES_SYNC_CHECK("AES Lock Status", 0);

		for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_aes32);
		     idx++) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&snd_hdspm_controls_aes32[idx],
						       hdspm));
			if (err < 0)
				return err;
		}
		for (idx = 1; idx <= 8; idx++) {
			aes_sync_ctl.index = idx;
			err = snd_ctl_add(card,
					  snd_ctl_new1(&aes_sync_ctl, hdspm));
			if (err < 0)
				return err;
		}
	} else {
		for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls_madi);
		     idx++) {
			err = snd_ctl_add(card,
					  snd_ctl_new1(&snd_hdspm_controls_madi[idx],
						       hdspm));
			if (err < 0)
				return err;
T
Takashi Iwai 已提交
2905 2906 2907 2908
		}
	}

	/* Channel playback mixer as default control 
T
Takashi Iwai 已提交
2909 2910 2911 2912
	   Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders,
	   thats too * big for any alsamixer they are accesible via special
	   IOCTL on hwdep and the mixer 2dimensional mixer control
	*/
T
Takashi Iwai 已提交
2913 2914 2915 2916

	snd_hdspm_playback_mixer.name = "Chn";
	limit = HDSPM_MAX_CHANNELS;

T
Takashi Iwai 已提交
2917 2918 2919 2920
	/* The index values are one greater than the channel ID so that
	 * alsamixer will display them correctly. We want to use the index
	 * for fast lookup of the relevant channel, but if we use it at all,
	 * most ALSA software does the wrong thing with it ...
T
Takashi Iwai 已提交
2921 2922 2923 2924
	 */

	for (idx = 0; idx < limit; ++idx) {
		snd_hdspm_playback_mixer.index = idx + 1;
T
Takashi Iwai 已提交
2925 2926 2927
		kctl = snd_ctl_new1(&snd_hdspm_playback_mixer, hdspm);
		err = snd_ctl_add(card, kctl);
		if (err < 0)
T
Takashi Iwai 已提交
2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939
			return err;
		hdspm->playback_mixer_ctls[idx] = kctl;
	}

	return 0;
}

/*------------------------------------------------------------
   /proc interface 
 ------------------------------------------------------------*/

static void
R
Remy Bruno 已提交
2940 2941
snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
			 struct snd_info_buffer *buffer)
T
Takashi Iwai 已提交
2942
{
T
Takashi Iwai 已提交
2943
	struct hdspm *hdspm = entry->private_data;
T
Takashi Iwai 已提交
2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975
	unsigned int status;
	unsigned int status2;
	char *pref_sync_ref;
	char *autosync_ref;
	char *system_clock_mode;
	char *clock_source;
	char *insel;
	char *syncref;
	int x, x2;

	status = hdspm_read(hdspm, HDSPM_statusRegister);
	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);

	snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
		    hdspm->card_name, hdspm->card->number + 1,
		    hdspm->firmware_rev,
		    (status2 & HDSPM_version0) |
		    (status2 & HDSPM_version1) | (status2 &
						  HDSPM_version2));

	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);

	snd_iprintf(buffer, "--- System ---\n");

	snd_iprintf(buffer,
		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
		    status & HDSPM_audioIRQPending,
		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
		    hdspm->irq_count);
	snd_iprintf(buffer,
T
Takashi Iwai 已提交
2976 2977
		    "HW pointer: id = %d, rawptr = %d (%d->%d) "
		    "estimated= %ld (bytes)\n",
T
Takashi Iwai 已提交
2978 2979
		    ((status & HDSPM_BufferID) ? 1 : 0),
		    (status & HDSPM_BufferPositionMask),
T
Takashi Iwai 已提交
2980 2981 2982 2983
		    (status & HDSPM_BufferPositionMask) %
		    (2 * (int)hdspm->period_bytes),
		    ((status & HDSPM_BufferPositionMask) - 64) %
		    (2 * (int)hdspm->period_bytes),
T
Takashi Iwai 已提交
2984 2985 2986 2987 2988 2989 2990 2991 2992
		    (long) hdspm_hw_pointer(hdspm) * 4);

	snd_iprintf(buffer,
		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
	snd_iprintf(buffer,
T
Takashi Iwai 已提交
2993 2994
		    "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, "
		    "status2=0x%x\n",
T
Takashi Iwai 已提交
2995 2996 2997 2998 2999
		    hdspm->control_register, hdspm->control2_register,
		    status, status2);

	snd_iprintf(buffer, "--- Settings ---\n");

T
Takashi Iwai 已提交
3000 3001
	x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
					   HDSPM_LatencyMask));
T
Takashi Iwai 已提交
3002 3003 3004 3005 3006 3007

	snd_iprintf(buffer,
		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
		    x, (unsigned long) hdspm->period_bytes);

	snd_iprintf(buffer, "Line out: %s,   Precise Pointer: %s\n",
T
Takashi Iwai 已提交
3008
		    (hdspm->control_register & HDSPM_LineOut) ? "on " : "off",
T
Takashi Iwai 已提交
3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035
		    (hdspm->precise_ptr) ? "on" : "off");

	switch (hdspm->control_register & HDSPM_InputMask) {
	case HDSPM_InputOptical:
		insel = "Optical";
		break;
	case HDSPM_InputCoaxial:
		insel = "Coaxial";
		break;
	default:
		insel = "Unkown";
	}

	switch (hdspm->control_register & HDSPM_SyncRefMask) {
	case HDSPM_SyncRef_Word:
		syncref = "WordClock";
		break;
	case HDSPM_SyncRef_MADI:
		syncref = "MADI";
		break;
	default:
		syncref = "Unkown";
	}
	snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
		    syncref);

	snd_iprintf(buffer,
T
Takashi Iwai 已提交
3036 3037
		    "ClearTrackMarker = %s, Transmit in %s Channel Mode, "
		    "Auto Input %s\n",
T
Takashi Iwai 已提交
3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070
		    (hdspm->
		     control_register & HDSPM_clr_tms) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_TX_64ch) ? "64" : "56",
		    (hdspm->
		     control_register & HDSPM_AutoInp) ? "on" : "off");

	switch (hdspm_clock_source(hdspm)) {
	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		clock_source = "AutoSync";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		clock_source = "Internal 32 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		clock_source = "Internal 44.1 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		clock_source = "Internal 48 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		clock_source = "Internal 64 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		clock_source = "Internal 88.2 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		clock_source = "Internal 96 kHz";
		break;
	default:
		clock_source = "Error";
	}
	snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
R
Remy Bruno 已提交
3071
	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
T
Takashi Iwai 已提交
3072
		system_clock_mode = "Slave";
R
Remy Bruno 已提交
3073
	else
T
Takashi Iwai 已提交
3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133
		system_clock_mode = "Master";
	snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);

	switch (hdspm_pref_sync_ref(hdspm)) {
	case HDSPM_SYNC_FROM_WORD:
		pref_sync_ref = "Word Clock";
		break;
	case HDSPM_SYNC_FROM_MADI:
		pref_sync_ref = "MADI Sync";
		break;
	default:
		pref_sync_ref = "XXXX Clock";
		break;
	}
	snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
		    pref_sync_ref);

	snd_iprintf(buffer, "System Clock Frequency: %d\n",
		    hdspm->system_sample_rate);


	snd_iprintf(buffer, "--- Status:\n");

	x = status & HDSPM_madiSync;
	x2 = status2 & HDSPM_wcSync;

	snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
		    (status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
		    "NoLock",
		    (status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
		    "NoLock");

	switch (hdspm_autosync_ref(hdspm)) {
	case HDSPM_AUTOSYNC_FROM_WORD:
		autosync_ref = "Word Clock";
		break;
	case HDSPM_AUTOSYNC_FROM_MADI:
		autosync_ref = "MADI Sync";
		break;
	case HDSPM_AUTOSYNC_FROM_NONE:
		autosync_ref = "Input not valid";
		break;
	default:
		autosync_ref = "---";
		break;
	}
	snd_iprintf(buffer,
		    "AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
		    autosync_ref, hdspm_external_sample_rate(hdspm),
		    (status & HDSPM_madiFreqMask) >> 22,
		    (status2 & HDSPM_wcFreqMask) >> 5);

	snd_iprintf(buffer, "Input: %s, Mode=%s\n",
		    (status & HDSPM_AB_int) ? "Coax" : "Optical",
		    (status & HDSPM_RX_64ch) ? "64 channels" :
		    "56 channels");

	snd_iprintf(buffer, "\n");
}

R
Remy Bruno 已提交
3134 3135 3136 3137
static void
snd_hdspm_proc_read_aes32(struct snd_info_entry * entry,
			  struct snd_info_buffer *buffer)
{
T
Takashi Iwai 已提交
3138
	struct hdspm *hdspm = entry->private_data;
R
Remy Bruno 已提交
3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167
	unsigned int status;
	unsigned int status2;
	unsigned int timecode;
	int pref_syncref;
	char *autosync_ref;
	char *system_clock_mode;
	char *clock_source;
	int x;

	status = hdspm_read(hdspm, HDSPM_statusRegister);
	status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
	timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);

	snd_iprintf(buffer, "%s (Card #%d) Rev.%x\n",
		    hdspm->card_name, hdspm->card->number + 1,
		    hdspm->firmware_rev);

	snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
		    hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);

	snd_iprintf(buffer, "--- System ---\n");

	snd_iprintf(buffer,
		    "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
		    status & HDSPM_audioIRQPending,
		    (status & HDSPM_midi0IRQPending) ? 1 : 0,
		    (status & HDSPM_midi1IRQPending) ? 1 : 0,
		    hdspm->irq_count);
	snd_iprintf(buffer,
T
Takashi Iwai 已提交
3168 3169
		    "HW pointer: id = %d, rawptr = %d (%d->%d) "
		    "estimated= %ld (bytes)\n",
R
Remy Bruno 已提交
3170 3171
		    ((status & HDSPM_BufferID) ? 1 : 0),
		    (status & HDSPM_BufferPositionMask),
T
Takashi Iwai 已提交
3172 3173 3174 3175
		    (status & HDSPM_BufferPositionMask) %
		    (2 * (int)hdspm->period_bytes),
		    ((status & HDSPM_BufferPositionMask) - 64) %
		    (2 * (int)hdspm->period_bytes),
R
Remy Bruno 已提交
3176 3177 3178 3179 3180 3181 3182 3183 3184
		    (long) hdspm_hw_pointer(hdspm) * 4);

	snd_iprintf(buffer,
		    "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
		    hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
		    hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
	snd_iprintf(buffer,
T
Takashi Iwai 已提交
3185 3186
		    "Register: ctrl1=0x%x, status1=0x%x, status2=0x%x, "
		    "timecode=0x%x\n",
3187
		    hdspm->control_register,
R
Remy Bruno 已提交
3188 3189 3190 3191
		    status, status2, timecode);

	snd_iprintf(buffer, "--- Settings ---\n");

T
Takashi Iwai 已提交
3192 3193
	x = 1 << (6 + hdspm_decode_latency(hdspm->control_register &
					   HDSPM_LatencyMask));
R
Remy Bruno 已提交
3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275

	snd_iprintf(buffer,
		    "Size (Latency): %d samples (2 periods of %lu bytes)\n",
		    x, (unsigned long) hdspm->period_bytes);

	snd_iprintf(buffer, "Line out: %s,   Precise Pointer: %s\n",
		    (hdspm->
		     control_register & HDSPM_LineOut) ? "on " : "off",
		    (hdspm->precise_ptr) ? "on" : "off");

	snd_iprintf(buffer,
		    "ClearTrackMarker %s, Emphasis %s, Dolby %s\n",
		    (hdspm->
		     control_register & HDSPM_clr_tms) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_Emphasis) ? "on" : "off",
		    (hdspm->
		     control_register & HDSPM_Dolby) ? "on" : "off");

	switch (hdspm_clock_source(hdspm)) {
	case HDSPM_CLOCK_SOURCE_AUTOSYNC:
		clock_source = "AutoSync";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
		clock_source = "Internal 32 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
		clock_source = "Internal 44.1 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
		clock_source = "Internal 48 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
		clock_source = "Internal 64 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
		clock_source = "Internal 88.2 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
		clock_source = "Internal 96 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
		clock_source = "Internal 128 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
		clock_source = "Internal 176.4 kHz";
		break;
	case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
		clock_source = "Internal 192 kHz";
		break;
	default:
		clock_source = "Error";
	}
	snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
	if (!(hdspm->control_register & HDSPM_ClockModeMaster))
		system_clock_mode = "Slave";
	else
		system_clock_mode = "Master";
	snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);

	pref_syncref = hdspm_pref_sync_ref(hdspm);
	if (pref_syncref == 0)
		snd_iprintf(buffer, "Preferred Sync Reference: Word Clock\n");
	else
		snd_iprintf(buffer, "Preferred Sync Reference: AES%d\n",
				pref_syncref);

	snd_iprintf(buffer, "System Clock Frequency: %d\n",
		    hdspm->system_sample_rate);

	snd_iprintf(buffer, "Double speed: %s\n",
			hdspm->control_register & HDSPM_DS_DoubleWire?
			"Double wire" : "Single wire");
	snd_iprintf(buffer, "Quad speed: %s\n",
			hdspm->control_register & HDSPM_QS_DoubleWire?
			"Double wire" :
			hdspm->control_register & HDSPM_QS_QuadWire?
			"Quad wire" : "Single wire");

	snd_iprintf(buffer, "--- Status:\n");

	snd_iprintf(buffer, "Word: %s  Frequency: %d\n",
T
Takashi Iwai 已提交
3276 3277
		    (status & HDSPM_AES32_wcLock)? "Sync   " : "No Lock",
		    HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF));
R
Remy Bruno 已提交
3278 3279 3280

	for (x = 0; x < 8; x++) {
		snd_iprintf(buffer, "AES%d: %s  Frequency: %d\n",
T
Takashi Iwai 已提交
3281 3282 3283 3284
			    x+1,
			    (status2 & (HDSPM_LockAES >> x)) ?
			    "Sync   ": "No Lock",
			    HDSPM_bit2freq((timecode >> (4*x)) & 0xF));
R
Remy Bruno 已提交
3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309
	}

	switch (hdspm_autosync_ref(hdspm)) {
	case HDSPM_AES32_AUTOSYNC_FROM_NONE: autosync_ref="None"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_WORD: autosync_ref="Word Clock"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES1: autosync_ref="AES1"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES2: autosync_ref="AES2"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES3: autosync_ref="AES3"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES4: autosync_ref="AES4"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES5: autosync_ref="AES5"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES6: autosync_ref="AES6"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES7: autosync_ref="AES7"; break;
	case HDSPM_AES32_AUTOSYNC_FROM_AES8: autosync_ref="AES8"; break;
	default: autosync_ref = "---"; break;
	}
	snd_iprintf(buffer, "AutoSync ref = %s\n", autosync_ref);

	snd_iprintf(buffer, "\n");
}

#ifdef CONFIG_SND_DEBUG
static void
snd_hdspm_proc_read_debug(struct snd_info_entry * entry,
			  struct snd_info_buffer *buffer)
{
T
Takashi Iwai 已提交
3310
	struct hdspm *hdspm = entry->private_data;
R
Remy Bruno 已提交
3311 3312 3313

	int j,i;

T
Takashi Iwai 已提交
3314
	for (i = 0; i < 256 /* 1024*64 */; i += j) {
R
Remy Bruno 已提交
3315 3316 3317 3318 3319 3320 3321 3322 3323 3324
		snd_iprintf(buffer, "0x%08X: ", i);
		for (j = 0; j < 16; j += 4)
			snd_iprintf(buffer, "%08X ", hdspm_read(hdspm, i + j));
		snd_iprintf(buffer, "\n");
	}
}
#endif



3325
static void __devinit snd_hdspm_proc_init(struct hdspm * hdspm)
T
Takashi Iwai 已提交
3326
{
3327
	struct snd_info_entry *entry;
T
Takashi Iwai 已提交
3328 3329

	if (!snd_card_proc_new(hdspm->card, "hdspm", &entry))
3330
		snd_info_set_text_ops(entry, hdspm,
R
Remy Bruno 已提交
3331 3332 3333 3334 3335 3336 3337 3338 3339
				      hdspm->is_aes32 ?
				      snd_hdspm_proc_read_aes32 :
				      snd_hdspm_proc_read_madi);
#ifdef CONFIG_SND_DEBUG
	/* debug file to read all hdspm registers */
	if (!snd_card_proc_new(hdspm->card, "debug", &entry))
		snd_info_set_text_ops(entry, hdspm,
				snd_hdspm_proc_read_debug);
#endif
T
Takashi Iwai 已提交
3340 3341 3342 3343 3344 3345
}

/*------------------------------------------------------------
   hdspm intitialize 
 ------------------------------------------------------------*/

3346
static int snd_hdspm_set_defaults(struct hdspm * hdspm)
T
Takashi Iwai 已提交
3347 3348 3349 3350
{
	unsigned int i;

	/* ASSUMPTION: hdspm->lock is either held, or there is no need to
J
Joe Perches 已提交
3351
	   hold it (e.g. during module initialization).
T
Takashi Iwai 已提交
3352 3353 3354 3355
	 */

	/* set defaults:       */

R
Remy Bruno 已提交
3356
	if (hdspm->is_aes32)
T
Takashi Iwai 已提交
3357 3358 3359 3360 3361
		hdspm->control_register =
			HDSPM_ClockModeMaster |	/* Master Cloack Mode on */
			hdspm_encode_latency(7) | /* latency maximum =
						   * 8192 samples
						   */
R
Remy Bruno 已提交
3362 3363 3364 3365
			HDSPM_SyncRef0 |	/* AES1 is syncclock */
			HDSPM_LineOut |	/* Analog output in */
			HDSPM_Professional;  /* Professional mode */
	else
T
Takashi Iwai 已提交
3366 3367 3368 3369 3370
		hdspm->control_register =
			HDSPM_ClockModeMaster |	/* Master Cloack Mode on */
			hdspm_encode_latency(7) | /* latency maximum =
						   * 8192 samples
						   */
R
Remy Bruno 已提交
3371 3372 3373 3374 3375
			HDSPM_InputCoaxial |	/* Input Coax not Optical */
			HDSPM_SyncRef_MADI |	/* Madi is syncclock */
			HDSPM_LineOut |	/* Analog output in */
			HDSPM_TX_64ch |	/* transmit in 64ch mode */
			HDSPM_AutoInp;	/* AutoInput chossing (takeover) */
T
Takashi Iwai 已提交
3376 3377 3378 3379 3380 3381 3382

	/* ! HDSPM_Frequency0|HDSPM_Frequency1 = 44.1khz */
	/* !  HDSPM_DoubleSpeed HDSPM_QuadSpeed = normal speed */
	/* ! HDSPM_clr_tms = do not clear bits in track marks */

	hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);

3383 3384
        if (!hdspm->is_aes32) {
		/* No control2 register for AES32 */
T
Takashi Iwai 已提交
3385
#ifdef SNDRV_BIG_ENDIAN
3386
		hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
T
Takashi Iwai 已提交
3387
#else
3388
		hdspm->control2_register = 0;
T
Takashi Iwai 已提交
3389 3390
#endif

3391 3392
		hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
	}
T
Takashi Iwai 已提交
3393 3394 3395 3396 3397 3398 3399 3400
	hdspm_compute_period_size(hdspm);

	/* silence everything */

	all_in_all_mixer(hdspm, 0 * UNITY_GAIN);

	if (line_outs_monitor[hdspm->dev]) {

T
Takashi Iwai 已提交
3401 3402
		snd_printk(KERN_INFO "HDSPM: "
			   "sending all playback streams to line outs.\n");
T
Takashi Iwai 已提交
3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418

		for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
			if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
				return -EIO;
		}
	}

	/* set a default rate so that the channel map is set up. */
	hdspm->channel_map = channel_map_madi_ss;
	hdspm_set_rate(hdspm, 44100, 1);

	return 0;
}


/*------------------------------------------------------------
J
Joe Perches 已提交
3419
   interrupt 
T
Takashi Iwai 已提交
3420 3421
 ------------------------------------------------------------*/

3422
static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
T
Takashi Iwai 已提交
3423
{
3424
	struct hdspm *hdspm = (struct hdspm *) dev_id;
T
Takashi Iwai 已提交
3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450
	unsigned int status;
	int audio;
	int midi0;
	int midi1;
	unsigned int midi0status;
	unsigned int midi1status;
	int schedule = 0;

	status = hdspm_read(hdspm, HDSPM_statusRegister);

	audio = status & HDSPM_audioIRQPending;
	midi0 = status & HDSPM_midi0IRQPending;
	midi1 = status & HDSPM_midi1IRQPending;

	if (!audio && !midi0 && !midi1)
		return IRQ_NONE;

	hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
	hdspm->irq_count++;

	midi0status = hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff;
	midi1status = hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff;

	if (audio) {

		if (hdspm->capture_substream)
T
Takashi Iwai 已提交
3451
			snd_pcm_period_elapsed(hdspm->capture_substream);
T
Takashi Iwai 已提交
3452 3453

		if (hdspm->playback_substream)
T
Takashi Iwai 已提交
3454
			snd_pcm_period_elapsed(hdspm->playback_substream);
T
Takashi Iwai 已提交
3455 3456 3457
	}

	if (midi0 && midi0status) {
T
Takashi Iwai 已提交
3458 3459 3460
		/* we disable interrupts for this input until processing
		 * is done
		 */
T
Takashi Iwai 已提交
3461 3462 3463 3464 3465 3466 3467
		hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
		hdspm->midi[0].pending = 1;
		schedule = 1;
	}
	if (midi1 && midi1status) {
T
Takashi Iwai 已提交
3468 3469 3470
		/* we disable interrupts for this input until processing
		 * is done
		 */
T
Takashi Iwai 已提交
3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486
		hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
		hdspm->midi[1].pending = 1;
		schedule = 1;
	}
	if (schedule)
		tasklet_hi_schedule(&hdspm->midi_tasklet);
	return IRQ_HANDLED;
}

/*------------------------------------------------------------
   pcm interface 
  ------------------------------------------------------------*/


3487
static snd_pcm_uframes_t snd_hdspm_hw_pointer(struct snd_pcm_substream *
T
Takashi Iwai 已提交
3488 3489
					      substream)
{
3490
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3491 3492 3493
	return hdspm_hw_pointer(hdspm);
}

3494
static char *hdspm_channel_buffer_location(struct hdspm * hdspm,
T
Takashi Iwai 已提交
3495 3496 3497 3498 3499 3500 3501
					   int stream, int channel)
{
	int mapped_channel;

	snd_assert(channel >= 0
		   || channel < HDSPM_MAX_CHANNELS, return NULL);

T
Takashi Iwai 已提交
3502 3503
	mapped_channel = hdspm->channel_map[channel];
	if (mapped_channel < 0)
T
Takashi Iwai 已提交
3504 3505
		return NULL;

T
Takashi Iwai 已提交
3506
	if (stream == SNDRV_PCM_STREAM_CAPTURE)
T
Takashi Iwai 已提交
3507 3508
		return hdspm->capture_buffer +
		    mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
T
Takashi Iwai 已提交
3509
	else
T
Takashi Iwai 已提交
3510 3511 3512 3513 3514 3515
		return hdspm->playback_buffer +
		    mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
}


/* dont know why need it ??? */
3516
static int snd_hdspm_playback_copy(struct snd_pcm_substream *substream,
T
Takashi Iwai 已提交
3517 3518 3519
				   int channel, snd_pcm_uframes_t pos,
				   void __user *src, snd_pcm_uframes_t count)
{
3520
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3521 3522 3523 3524 3525
	char *channel_buf;

	snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
		   return -EINVAL);

T
Takashi Iwai 已提交
3526 3527 3528
	channel_buf =
		hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
					      channel);
T
Takashi Iwai 已提交
3529 3530 3531 3532 3533 3534

	snd_assert(channel_buf != NULL, return -EIO);

	return copy_from_user(channel_buf + pos * 4, src, count * 4);
}

3535
static int snd_hdspm_capture_copy(struct snd_pcm_substream *substream,
T
Takashi Iwai 已提交
3536 3537 3538
				  int channel, snd_pcm_uframes_t pos,
				  void __user *dst, snd_pcm_uframes_t count)
{
3539
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3540 3541 3542 3543 3544
	char *channel_buf;

	snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
		   return -EINVAL);

T
Takashi Iwai 已提交
3545 3546 3547
	channel_buf =
		hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
					      channel);
T
Takashi Iwai 已提交
3548 3549 3550 3551
	snd_assert(channel_buf != NULL, return -EIO);
	return copy_to_user(dst, channel_buf + pos * 4, count * 4);
}

3552
static int snd_hdspm_hw_silence(struct snd_pcm_substream *substream,
T
Takashi Iwai 已提交
3553 3554 3555
				int channel, snd_pcm_uframes_t pos,
				snd_pcm_uframes_t count)
{
3556
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3557 3558 3559
	char *channel_buf;

	channel_buf =
T
Takashi Iwai 已提交
3560 3561
		hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
					      channel);
T
Takashi Iwai 已提交
3562 3563 3564 3565 3566
	snd_assert(channel_buf != NULL, return -EIO);
	memset(channel_buf + pos * 4, 0, count * 4);
	return 0;
}

3567
static int snd_hdspm_reset(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3568
{
3569 3570 3571
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_substream *other;
T
Takashi Iwai 已提交
3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		other = hdspm->capture_substream;
	else
		other = hdspm->playback_substream;

	if (hdspm->running)
		runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
	else
		runtime->status->hw_ptr = 0;
	if (other) {
3583 3584
		struct snd_pcm_substream *s;
		struct snd_pcm_runtime *oruntime = other->runtime;
3585
		snd_pcm_group_for_each_entry(s, substream) {
T
Takashi Iwai 已提交
3586 3587 3588 3589 3590 3591 3592 3593 3594 3595
			if (s == other) {
				oruntime->status->hw_ptr =
				    runtime->status->hw_ptr;
				break;
			}
		}
	}
	return 0;
}

3596 3597
static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
			       struct snd_pcm_hw_params *params)
T
Takashi Iwai 已提交
3598
{
3599
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616
	int err;
	int i;
	pid_t this_pid;
	pid_t other_pid;
	struct snd_sg_buf *sgbuf;


	spin_lock_irq(&hdspm->lock);

	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		this_pid = hdspm->playback_pid;
		other_pid = hdspm->capture_pid;
	} else {
		this_pid = hdspm->capture_pid;
		other_pid = hdspm->playback_pid;
	}

T
Takashi Iwai 已提交
3617
	if (other_pid > 0 && this_pid != other_pid) {
T
Takashi Iwai 已提交
3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633

		/* The other stream is open, and not by the same
		   task as this one. Make sure that the parameters
		   that matter are the same.
		 */

		if (params_rate(params) != hdspm->system_sample_rate) {
			spin_unlock_irq(&hdspm->lock);
			_snd_pcm_hw_param_setempty(params,
						   SNDRV_PCM_HW_PARAM_RATE);
			return -EBUSY;
		}

		if (params_period_size(params) != hdspm->period_bytes / 4) {
			spin_unlock_irq(&hdspm->lock);
			_snd_pcm_hw_param_setempty(params,
T
Takashi Iwai 已提交
3634
					   SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
T
Takashi Iwai 已提交
3635 3636 3637 3638 3639 3640 3641 3642 3643 3644
			return -EBUSY;
		}

	}
	/* We're fine. */
	spin_unlock_irq(&hdspm->lock);

	/* how to make sure that the rate matches an externally-set one ?   */

	spin_lock_irq(&hdspm->lock);
T
Takashi Iwai 已提交
3645 3646
	err = hdspm_set_rate(hdspm, params_rate(params), 0);
	if (err < 0) {
T
Takashi Iwai 已提交
3647 3648 3649 3650 3651 3652 3653
		spin_unlock_irq(&hdspm->lock);
		_snd_pcm_hw_param_setempty(params,
					   SNDRV_PCM_HW_PARAM_RATE);
		return err;
	}
	spin_unlock_irq(&hdspm->lock);

T
Takashi Iwai 已提交
3654 3655 3656
	err = hdspm_set_interrupt_interval(hdspm,
					   params_period_size(params));
	if (err < 0) {
T
Takashi Iwai 已提交
3657 3658 3659 3660 3661
		_snd_pcm_hw_param_setempty(params,
					   SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
		return err;
	}

T
Takashi Iwai 已提交
3662 3663 3664
	/* Memory allocation, takashi's method, dont know if we should
	 * spinlock
	 */
T
Takashi Iwai 已提交
3665
	/* malloc all buffer even if not enabled to get sure */
3666 3667
	/* Update for MADI rev 204: we need to allocate for all channels,
	 * otherwise it doesn't work at 96kHz */
T
Takashi Iwai 已提交
3668
	err =
3669
	    snd_pcm_lib_malloc_pages(substream, HDSPM_DMA_AREA_BYTES);
T
Takashi Iwai 已提交
3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684
	if (err < 0)
		return err;

	sgbuf = snd_pcm_substream_sgbuf(substream);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
				params_channels(params));

		for (i = 0; i < params_channels(params); ++i)
			snd_hdspm_enable_out(hdspm, i, 1);

		hdspm->playback_buffer =
		    (unsigned char *) substream->runtime->dma_area;
3685
		snd_printdd("Allocated sample buffer for playback at %p\n",
R
Remy Bruno 已提交
3686
				hdspm->playback_buffer);
T
Takashi Iwai 已提交
3687 3688 3689 3690 3691 3692 3693 3694 3695
	} else {
		hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
				params_channels(params));

		for (i = 0; i < params_channels(params); ++i)
			snd_hdspm_enable_in(hdspm, i, 1);

		hdspm->capture_buffer =
		    (unsigned char *) substream->runtime->dma_area;
3696
		snd_printdd("Allocated sample buffer for capture at %p\n",
R
Remy Bruno 已提交
3697
				hdspm->capture_buffer);
T
Takashi Iwai 已提交
3698
	}
R
Remy Bruno 已提交
3699 3700 3701 3702 3703 3704
	/*
	   snd_printdd("Allocated sample buffer for %s at 0x%08X\n",
	   substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
	   "playback" : "capture",
	   snd_pcm_sgbuf_get_addr(sgbuf, 0));
	 */
3705 3706 3707 3708 3709 3710 3711
	/*
	snd_printdd("set_hwparams: %s %d Hz, %d channels, bs = %d\n",
			substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
			  "playback" : "capture",
			params_rate(params), params_channels(params),
			params_buffer_size(params));
	*/
T
Takashi Iwai 已提交
3712 3713 3714
	return 0;
}

3715
static int snd_hdspm_hw_free(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3716 3717
{
	int i;
3718
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		/* params_channels(params) should be enough, 
		   but to get sure in case of error */
		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
			snd_hdspm_enable_out(hdspm, i, 0);

		hdspm->playback_buffer = NULL;
	} else {
		for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
			snd_hdspm_enable_in(hdspm, i, 0);

		hdspm->capture_buffer = NULL;

	}

	snd_pcm_lib_free_pages(substream);

	return 0;
}

3741 3742
static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
				  struct snd_pcm_channel_info * info)
T
Takashi Iwai 已提交
3743
{
3744
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
3745 3746 3747 3748
	int mapped_channel;

	snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);

T
Takashi Iwai 已提交
3749 3750
	mapped_channel = hdspm->channel_map[info->channel];
	if (mapped_channel < 0)
T
Takashi Iwai 已提交
3751 3752 3753 3754 3755 3756 3757 3758
		return -EINVAL;

	info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
	info->first = 0;
	info->step = 32;
	return 0;
}

3759
static int snd_hdspm_ioctl(struct snd_pcm_substream *substream,
T
Takashi Iwai 已提交
3760 3761 3762 3763
			   unsigned int cmd, void *arg)
{
	switch (cmd) {
	case SNDRV_PCM_IOCTL1_RESET:
T
Takashi Iwai 已提交
3764
		return snd_hdspm_reset(substream);
T
Takashi Iwai 已提交
3765 3766

	case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
T
Takashi Iwai 已提交
3767 3768 3769 3770
	{
		struct snd_pcm_channel_info *info = arg;
		return snd_hdspm_channel_info(substream, info);
	}
T
Takashi Iwai 已提交
3771 3772 3773 3774 3775 3776 3777
	default:
		break;
	}

	return snd_pcm_lib_ioctl(substream, cmd, arg);
}

3778
static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
T
Takashi Iwai 已提交
3779
{
3780 3781
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_substream *other;
T
Takashi Iwai 已提交
3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803
	int running;

	spin_lock(&hdspm->lock);
	running = hdspm->running;
	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		running |= 1 << substream->stream;
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		running &= ~(1 << substream->stream);
		break;
	default:
		snd_BUG();
		spin_unlock(&hdspm->lock);
		return -EINVAL;
	}
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		other = hdspm->capture_substream;
	else
		other = hdspm->playback_substream;

	if (other) {
3804
		struct snd_pcm_substream *s;
3805
		snd_pcm_group_for_each_entry(s, substream) {
T
Takashi Iwai 已提交
3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840
			if (s == other) {
				snd_pcm_trigger_done(s, substream);
				if (cmd == SNDRV_PCM_TRIGGER_START)
					running |= 1 << s->stream;
				else
					running &= ~(1 << s->stream);
				goto _ok;
			}
		}
		if (cmd == SNDRV_PCM_TRIGGER_START) {
			if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK))
			    && substream->stream ==
			    SNDRV_PCM_STREAM_CAPTURE)
				hdspm_silence_playback(hdspm);
		} else {
			if (running &&
			    substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
				hdspm_silence_playback(hdspm);
		}
	} else {
		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
			hdspm_silence_playback(hdspm);
	}
      _ok:
	snd_pcm_trigger_done(substream, substream);
	if (!hdspm->running && running)
		hdspm_start_audio(hdspm);
	else if (hdspm->running && !running)
		hdspm_stop_audio(hdspm);
	hdspm->running = running;
	spin_unlock(&hdspm->lock);

	return 0;
}

3841
static int snd_hdspm_prepare(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3842 3843 3844 3845 3846 3847 3848
{
	return 0;
}

static unsigned int period_sizes[] =
    { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };

3849
static struct snd_pcm_hardware snd_hdspm_playback_subinfo = {
T
Takashi Iwai 已提交
3850 3851 3852 3853 3854 3855 3856 3857 3858
	.info = (SNDRV_PCM_INFO_MMAP |
		 SNDRV_PCM_INFO_MMAP_VALID |
		 SNDRV_PCM_INFO_NONINTERLEAVED |
		 SNDRV_PCM_INFO_SYNC_START | SNDRV_PCM_INFO_DOUBLE),
	.formats = SNDRV_PCM_FMTBIT_S32_LE,
	.rates = (SNDRV_PCM_RATE_32000 |
		  SNDRV_PCM_RATE_44100 |
		  SNDRV_PCM_RATE_48000 |
		  SNDRV_PCM_RATE_64000 |
R
Remy Bruno 已提交
3859 3860
		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 ),
T
Takashi Iwai 已提交
3861
	.rate_min = 32000,
R
Remy Bruno 已提交
3862
	.rate_max = 192000,
T
Takashi Iwai 已提交
3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873
	.channels_min = 1,
	.channels_max = HDSPM_MAX_CHANNELS,
	.buffer_bytes_max =
	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
	.period_bytes_min = (64 * 4),
	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
	.periods_min = 2,
	.periods_max = 2,
	.fifo_size = 0
};

3874
static struct snd_pcm_hardware snd_hdspm_capture_subinfo = {
T
Takashi Iwai 已提交
3875 3876 3877 3878 3879 3880 3881 3882 3883
	.info = (SNDRV_PCM_INFO_MMAP |
		 SNDRV_PCM_INFO_MMAP_VALID |
		 SNDRV_PCM_INFO_NONINTERLEAVED |
		 SNDRV_PCM_INFO_SYNC_START),
	.formats = SNDRV_PCM_FMTBIT_S32_LE,
	.rates = (SNDRV_PCM_RATE_32000 |
		  SNDRV_PCM_RATE_44100 |
		  SNDRV_PCM_RATE_48000 |
		  SNDRV_PCM_RATE_64000 |
R
Remy Bruno 已提交
3884 3885
		  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
		  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
T
Takashi Iwai 已提交
3886
	.rate_min = 32000,
R
Remy Bruno 已提交
3887
	.rate_max = 192000,
T
Takashi Iwai 已提交
3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898
	.channels_min = 1,
	.channels_max = HDSPM_MAX_CHANNELS,
	.buffer_bytes_max =
	    HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
	.period_bytes_min = (64 * 4),
	.period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
	.periods_min = 2,
	.periods_max = 2,
	.fifo_size = 0
};

3899
static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
T
Takashi Iwai 已提交
3900 3901 3902 3903 3904 3905
	.count = ARRAY_SIZE(period_sizes),
	.list = period_sizes,
	.mask = 0
};


3906 3907
static int snd_hdspm_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
					   struct snd_pcm_hw_rule * rule)
T
Takashi Iwai 已提交
3908
{
3909 3910
	struct hdspm *hdspm = rule->private;
	struct snd_interval *c =
T
Takashi Iwai 已提交
3911
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3912
	struct snd_interval *r =
T
Takashi Iwai 已提交
3913 3914
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);

3915
	if (r->min > 48000 && r->max <= 96000) {
3916
		struct snd_interval t = {
3917
			.min = hdspm->ds_channels,
T
Takashi Iwai 已提交
3918 3919 3920 3921 3922
			.max = hdspm->ds_channels,
			.integer = 1,
		};
		return snd_interval_refine(c, &t);
	} else if (r->max < 64000) {
3923
		struct snd_interval t = {
3924
			.min = hdspm->ss_channels,
T
Takashi Iwai 已提交
3925 3926 3927 3928 3929 3930 3931 3932
			.max = hdspm->ss_channels,
			.integer = 1,
		};
		return snd_interval_refine(c, &t);
	}
	return 0;
}

3933 3934
static int snd_hdspm_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
					   struct snd_pcm_hw_rule * rule)
T
Takashi Iwai 已提交
3935
{
3936 3937
	struct hdspm *hdspm = rule->private;
	struct snd_interval *c =
T
Takashi Iwai 已提交
3938
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
3939
	struct snd_interval *r =
T
Takashi Iwai 已提交
3940 3941
	    hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);

3942
	if (c->min >= hdspm->ss_channels) {
3943
		struct snd_interval t = {
T
Takashi Iwai 已提交
3944 3945 3946 3947 3948
			.min = 32000,
			.max = 48000,
			.integer = 1,
		};
		return snd_interval_refine(r, &t);
3949
	} else if (c->max <= hdspm->ds_channels) {
3950
		struct snd_interval t = {
T
Takashi Iwai 已提交
3951 3952 3953 3954 3955 3956 3957 3958 3959 3960
			.min = 64000,
			.max = 96000,
			.integer = 1,
		};

		return snd_interval_refine(r, &t);
	}
	return 0;
}

3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980
static int snd_hdspm_hw_rule_channels(struct snd_pcm_hw_params *params,
				      struct snd_pcm_hw_rule *rule)
{
	unsigned int list[3];
	struct hdspm *hdspm = rule->private;
	struct snd_interval *c = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_CHANNELS);
	if (hdspm->is_aes32) {
		list[0] = hdspm->qs_channels;
		list[1] = hdspm->ds_channels;
		list[2] = hdspm->ss_channels;
		return snd_interval_list(c, 3, list, 0);
	} else {
		list[0] = hdspm->ds_channels;
		list[1] = hdspm->ss_channels;
		return snd_interval_list(c, 2, list, 0);
	}
}


T
Takashi Iwai 已提交
3981 3982 3983
static unsigned int hdspm_aes32_sample_rates[] = {
	32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000
};
3984

T
Takashi Iwai 已提交
3985 3986
static struct snd_pcm_hw_constraint_list
hdspm_hw_constraints_aes32_sample_rates = {
3987 3988 3989 3990 3991
	.count = ARRAY_SIZE(hdspm_aes32_sample_rates),
	.list = hdspm_aes32_sample_rates,
	.mask = 0
};

3992
static int snd_hdspm_playback_open(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
3993
{
3994 3995
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
T
Takashi Iwai 已提交
3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016

	spin_lock_irq(&hdspm->lock);

	snd_pcm_set_sync(substream);

	runtime->hw = snd_hdspm_playback_subinfo;

	if (hdspm->capture_substream == NULL)
		hdspm_stop_audio(hdspm);

	hdspm->playback_pid = current->pid;
	hdspm->playback_substream = substream;

	spin_unlock_irq(&hdspm->lock);

	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);

	snd_pcm_hw_constraint_list(runtime, 0,
				   SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
				   &hw_constraints_period_sizes);

4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031
	if (hdspm->is_aes32) {
		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				&hdspm_hw_constraints_aes32_sample_rates);
	} else {
		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				     snd_hdspm_hw_rule_channels, hdspm,
				     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				    snd_hdspm_hw_rule_channels_rate, hdspm,
				    SNDRV_PCM_HW_PARAM_RATE, -1);

		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				    snd_hdspm_hw_rule_rate_channels, hdspm,
				    SNDRV_PCM_HW_PARAM_CHANNELS, -1);
	}
T
Takashi Iwai 已提交
4032 4033 4034
	return 0;
}

4035
static int snd_hdspm_playback_release(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
4036
{
4037
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049

	spin_lock_irq(&hdspm->lock);

	hdspm->playback_pid = -1;
	hdspm->playback_substream = NULL;

	spin_unlock_irq(&hdspm->lock);

	return 0;
}


4050
static int snd_hdspm_capture_open(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
4051
{
4052 4053
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
T
Takashi Iwai 已提交
4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070

	spin_lock_irq(&hdspm->lock);
	snd_pcm_set_sync(substream);
	runtime->hw = snd_hdspm_capture_subinfo;

	if (hdspm->playback_substream == NULL)
		hdspm_stop_audio(hdspm);

	hdspm->capture_pid = current->pid;
	hdspm->capture_substream = substream;

	spin_unlock_irq(&hdspm->lock);

	snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
	snd_pcm_hw_constraint_list(runtime, 0,
				   SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
				   &hw_constraints_period_sizes);
4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085
	if (hdspm->is_aes32) {
		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				&hdspm_hw_constraints_aes32_sample_rates);
	} else {
		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				     snd_hdspm_hw_rule_channels, hdspm,
				     SNDRV_PCM_HW_PARAM_CHANNELS, -1);
		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				    snd_hdspm_hw_rule_channels_rate, hdspm,
				    SNDRV_PCM_HW_PARAM_RATE, -1);

		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				    snd_hdspm_hw_rule_rate_channels, hdspm,
				    SNDRV_PCM_HW_PARAM_CHANNELS, -1);
	}
T
Takashi Iwai 已提交
4086 4087 4088
	return 0;
}

4089
static int snd_hdspm_capture_release(struct snd_pcm_substream *substream)
T
Takashi Iwai 已提交
4090
{
4091
	struct hdspm *hdspm = snd_pcm_substream_chip(substream);
T
Takashi Iwai 已提交
4092 4093 4094 4095 4096 4097 4098 4099 4100 4101

	spin_lock_irq(&hdspm->lock);

	hdspm->capture_pid = -1;
	hdspm->capture_substream = NULL;

	spin_unlock_irq(&hdspm->lock);
	return 0;
}

4102
static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep * hw, struct file *file)
T
Takashi Iwai 已提交
4103 4104 4105 4106 4107 4108
{
	/* we have nothing to initialize but the call is required */
	return 0;
}


4109
static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
T
Takashi Iwai 已提交
4110 4111
				 unsigned int cmd, unsigned long arg)
{
T
Takashi Iwai 已提交
4112
	struct hdspm *hdspm = hw->private_data;
4113 4114 4115 4116
	struct hdspm_mixer_ioctl mixer;
	struct hdspm_config_info info;
	struct hdspm_version hdspm_version;
	struct hdspm_peak_rms_ioctl rms;
T
Takashi Iwai 已提交
4117 4118 4119 4120 4121 4122

	switch (cmd) {

	case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
		if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
			return -EFAULT;
T
Takashi Iwai 已提交
4123 4124 4125
		/* maybe there is a chance to memorymap in future
		 * so dont touch just copy
		 */
T
Takashi Iwai 已提交
4126 4127
		if(copy_to_user_fromio((void __user *)rms.peak,
				       hdspm->iobase+HDSPM_MADI_peakrmsbase,
4128
				       sizeof(struct hdspm_peak_rms)) != 0 )
T
Takashi Iwai 已提交
4129 4130 4131 4132 4133 4134 4135 4136
			return -EFAULT;

		break;
		

	case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:

		spin_lock_irq(&hdspm->lock);
T
Takashi Iwai 已提交
4137 4138
		info.pref_sync_ref = hdspm_pref_sync_ref(hdspm);
		info.wordclock_sync_check = hdspm_wc_sync_check(hdspm);
T
Takashi Iwai 已提交
4139 4140 4141 4142

		info.system_sample_rate = hdspm->system_sample_rate;
		info.autosync_sample_rate =
		    hdspm_external_sample_rate(hdspm);
T
Takashi Iwai 已提交
4143 4144 4145 4146
		info.system_clock_mode = hdspm_system_clock_mode(hdspm);
		info.clock_source = hdspm_clock_source(hdspm);
		info.autosync_ref = hdspm_autosync_ref(hdspm);
		info.line_out = hdspm_line_out(hdspm);
T
Takashi Iwai 已提交
4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162
		info.passthru = 0;
		spin_unlock_irq(&hdspm->lock);
		if (copy_to_user((void __user *) arg, &info, sizeof(info)))
			return -EFAULT;
		break;

	case SNDRV_HDSPM_IOCTL_GET_VERSION:
		hdspm_version.firmware_rev = hdspm->firmware_rev;
		if (copy_to_user((void __user *) arg, &hdspm_version,
				 sizeof(hdspm_version)))
			return -EFAULT;
		break;

	case SNDRV_HDSPM_IOCTL_GET_MIXER:
		if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
			return -EFAULT;
T
Takashi Iwai 已提交
4163 4164
		if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
				 sizeof(struct hdspm_mixer)))
T
Takashi Iwai 已提交
4165 4166 4167 4168 4169 4170 4171 4172 4173
			return -EFAULT;
		break;

	default:
		return -EINVAL;
	}
	return 0;
}

4174
static struct snd_pcm_ops snd_hdspm_playback_ops = {
T
Takashi Iwai 已提交
4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187
	.open = snd_hdspm_playback_open,
	.close = snd_hdspm_playback_release,
	.ioctl = snd_hdspm_ioctl,
	.hw_params = snd_hdspm_hw_params,
	.hw_free = snd_hdspm_hw_free,
	.prepare = snd_hdspm_prepare,
	.trigger = snd_hdspm_trigger,
	.pointer = snd_hdspm_hw_pointer,
	.copy = snd_hdspm_playback_copy,
	.silence = snd_hdspm_hw_silence,
	.page = snd_pcm_sgbuf_ops_page,
};

4188
static struct snd_pcm_ops snd_hdspm_capture_ops = {
T
Takashi Iwai 已提交
4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200
	.open = snd_hdspm_capture_open,
	.close = snd_hdspm_capture_release,
	.ioctl = snd_hdspm_ioctl,
	.hw_params = snd_hdspm_hw_params,
	.hw_free = snd_hdspm_hw_free,
	.prepare = snd_hdspm_prepare,
	.trigger = snd_hdspm_trigger,
	.pointer = snd_hdspm_hw_pointer,
	.copy = snd_hdspm_capture_copy,
	.page = snd_pcm_sgbuf_ops_page,
};

4201 4202
static int __devinit snd_hdspm_create_hwdep(struct snd_card *card,
					    struct hdspm * hdspm)
T
Takashi Iwai 已提交
4203
{
4204
	struct snd_hwdep *hw;
T
Takashi Iwai 已提交
4205 4206
	int err;

T
Takashi Iwai 已提交
4207 4208
	err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw);
	if (err < 0)
T
Takashi Iwai 已提交
4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225
		return err;

	hdspm->hwdep = hw;
	hw->private_data = hdspm;
	strcpy(hw->name, "HDSPM hwdep interface");

	hw->ops.open = snd_hdspm_hwdep_dummy_op;
	hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
	hw->ops.release = snd_hdspm_hwdep_dummy_op;

	return 0;
}


/*------------------------------------------------------------
   memory interface 
 ------------------------------------------------------------*/
4226
static int __devinit snd_hdspm_preallocate_memory(struct hdspm * hdspm)
T
Takashi Iwai 已提交
4227 4228
{
	int err;
4229
	struct snd_pcm *pcm;
T
Takashi Iwai 已提交
4230 4231 4232 4233
	size_t wanted;

	pcm = hdspm->pcm;

R
Remy Bruno 已提交
4234
	wanted = HDSPM_DMA_AREA_BYTES;
T
Takashi Iwai 已提交
4235

T
Takashi Iwai 已提交
4236
	err =
T
Takashi Iwai 已提交
4237 4238 4239 4240
	     snd_pcm_lib_preallocate_pages_for_all(pcm,
	     					   SNDRV_DMA_TYPE_DEV_SG,
						   snd_dma_pci_data(hdspm->pci),
						   wanted,
T
Takashi Iwai 已提交
4241 4242
						   wanted);
	if (err < 0) {
4243
		snd_printdd("Could not preallocate %zd Bytes\n", wanted);
T
Takashi Iwai 已提交
4244 4245 4246

		return err;
	} else
4247
		snd_printdd(" Preallocated %zd Bytes\n", wanted);
T
Takashi Iwai 已提交
4248 4249 4250 4251

	return 0;
}

4252
static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
T
Takashi Iwai 已提交
4253 4254 4255 4256 4257
			     unsigned int reg, int channels)
{
	int i;
	for (i = 0; i < (channels * 16); i++)
		hdspm_write(hdspm, reg + 4 * i,
T
Takashi Iwai 已提交
4258
			    snd_pcm_sgbuf_get_addr(sgbuf, (size_t) 4096 * i));
T
Takashi Iwai 已提交
4259 4260 4261
}

/* ------------- ALSA Devices ---------------------------- */
4262 4263
static int __devinit snd_hdspm_create_pcm(struct snd_card *card,
					  struct hdspm * hdspm)
T
Takashi Iwai 已提交
4264
{
4265
	struct snd_pcm *pcm;
T
Takashi Iwai 已提交
4266 4267
	int err;

T
Takashi Iwai 已提交
4268 4269
	err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm);
	if (err < 0)
T
Takashi Iwai 已提交
4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282
		return err;

	hdspm->pcm = pcm;
	pcm->private_data = hdspm;
	strcpy(pcm->name, hdspm->card_name);

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_hdspm_playback_ops);
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
			&snd_hdspm_capture_ops);

	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;

T
Takashi Iwai 已提交
4283 4284
	err = snd_hdspm_preallocate_memory(hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4285 4286 4287 4288 4289
		return err;

	return 0;
}

4290
static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm)
T
Takashi Iwai 已提交
4291 4292 4293 4294 4295
{
	snd_hdspm_flush_midi_input(hdspm, 0);
	snd_hdspm_flush_midi_input(hdspm, 1);
}

4296 4297
static int __devinit snd_hdspm_create_alsa_devices(struct snd_card *card,
						   struct hdspm * hdspm)
T
Takashi Iwai 已提交
4298 4299 4300 4301
{
	int err;

	snd_printdd("Create card...\n");
T
Takashi Iwai 已提交
4302 4303
	err = snd_hdspm_create_pcm(card, hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4304 4305
		return err;

T
Takashi Iwai 已提交
4306 4307
	err = snd_hdspm_create_midi(card, hdspm, 0);
	if (err < 0)
T
Takashi Iwai 已提交
4308 4309
		return err;

T
Takashi Iwai 已提交
4310 4311
	err = snd_hdspm_create_midi(card, hdspm, 1);
	if (err < 0)
T
Takashi Iwai 已提交
4312 4313
		return err;

T
Takashi Iwai 已提交
4314 4315
	err = snd_hdspm_create_controls(card, hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4316 4317
		return err;

T
Takashi Iwai 已提交
4318 4319
	err = snd_hdspm_create_hwdep(card, hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333
		return err;

	snd_printdd("proc init...\n");
	snd_hdspm_proc_init(hdspm);

	hdspm->system_sample_rate = -1;
	hdspm->last_external_sample_rate = -1;
	hdspm->last_internal_sample_rate = -1;
	hdspm->playback_pid = -1;
	hdspm->capture_pid = -1;
	hdspm->capture_substream = NULL;
	hdspm->playback_substream = NULL;

	snd_printdd("Set defaults...\n");
T
Takashi Iwai 已提交
4334 4335
	err = snd_hdspm_set_defaults(hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4336 4337 4338 4339 4340 4341 4342
		return err;

	snd_printdd("Update mixer controls...\n");
	hdspm_update_simple_mixer_controls(hdspm);

	snd_printdd("Initializeing complete ???\n");

T
Takashi Iwai 已提交
4343 4344
	err = snd_card_register(card);
	if (err < 0) {
T
Takashi Iwai 已提交
4345 4346 4347 4348 4349 4350 4351 4352 4353
		snd_printk(KERN_ERR "HDSPM: error registering card\n");
		return err;
	}

	snd_printdd("... yes now\n");

	return 0;
}

T
Takashi Iwai 已提交
4354 4355
static int __devinit snd_hdspm_create(struct snd_card *card,
				      struct hdspm *hdspm,
T
Takashi Iwai 已提交
4356 4357 4358 4359 4360 4361 4362
				      int precise_ptr, int enable_monitor)
{
	struct pci_dev *pci = hdspm->pci;
	int err;
	unsigned long io_extent;

	hdspm->irq = -1;
T
Takashi Iwai 已提交
4363

T
Takashi Iwai 已提交
4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376
	spin_lock_init(&hdspm->midi[0].lock);
	spin_lock_init(&hdspm->midi[1].lock);

	hdspm->card = card;

	spin_lock_init(&hdspm->lock);

	tasklet_init(&hdspm->midi_tasklet,
		     hdspm_midi_tasklet, (unsigned long) hdspm);

	pci_read_config_word(hdspm->pci,
			     PCI_CLASS_REVISION, &hdspm->firmware_rev);

R
Remy Bruno 已提交
4377 4378
	hdspm->is_aes32 = (hdspm->firmware_rev >= HDSPM_AESREVISION);

T
Takashi Iwai 已提交
4379
	strcpy(card->mixername, "Xilinx FPGA");
R
Remy Bruno 已提交
4380 4381 4382 4383 4384 4385 4386
	if (hdspm->is_aes32) {
		strcpy(card->driver, "HDSPAES32");
		hdspm->card_name = "RME HDSPM AES32";
	} else {
		strcpy(card->driver, "HDSPM");
		hdspm->card_name = "RME HDSPM MADI";
	}
T
Takashi Iwai 已提交
4387

T
Takashi Iwai 已提交
4388 4389
	err = pci_enable_device(pci);
	if (err < 0)
T
Takashi Iwai 已提交
4390 4391 4392 4393
		return err;

	pci_set_master(hdspm->pci);

T
Takashi Iwai 已提交
4394 4395
	err = pci_request_regions(pci, "hdspm");
	if (err < 0)
T
Takashi Iwai 已提交
4396 4397 4398 4399 4400 4401 4402 4403 4404
		return err;

	hdspm->port = pci_resource_start(pci, 0);
	io_extent = pci_resource_len(pci, 0);

	snd_printdd("grabbed memory region 0x%lx-0x%lx\n",
		   hdspm->port, hdspm->port + io_extent - 1);


T
Takashi Iwai 已提交
4405 4406 4407 4408
	hdspm->iobase = ioremap_nocache(hdspm->port, io_extent);
	if (!hdspm->iobase) {
		snd_printk(KERN_ERR "HDSPM: "
			   "unable to remap region 0x%lx-0x%lx\n",
T
Takashi Iwai 已提交
4409 4410 4411 4412 4413 4414 4415 4416
			   hdspm->port, hdspm->port + io_extent - 1);
		return -EBUSY;
	}
	snd_printdd("remapped region (0x%lx) 0x%lx-0x%lx\n",
		   (unsigned long)hdspm->iobase, hdspm->port,
		   hdspm->port + io_extent - 1);

	if (request_irq(pci->irq, snd_hdspm_interrupt,
4417
			IRQF_SHARED, "hdspm", hdspm)) {
T
Takashi Iwai 已提交
4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428
		snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
		return -EBUSY;
	}

	snd_printdd("use IRQ %d\n", pci->irq);

	hdspm->irq = pci->irq;
	hdspm->precise_ptr = precise_ptr;

	hdspm->monitor_outs = enable_monitor;

4429
	snd_printdd("kmalloc Mixer memory of %zd Bytes\n",
4430
		   sizeof(struct hdspm_mixer));
T
Takashi Iwai 已提交
4431 4432 4433 4434
	hdspm->mixer = kzalloc(sizeof(struct hdspm_mixer), GFP_KERNEL);
	if (!hdspm->mixer) {
		snd_printk(KERN_ERR "HDSPM: "
			   "unable to kmalloc Mixer memory of %d Bytes\n",
4435
			   (int)sizeof(struct hdspm_mixer));
T
Takashi Iwai 已提交
4436 4437 4438 4439 4440 4441 4442 4443
		return err;
	}

	hdspm->ss_channels = MADI_SS_CHANNELS;
	hdspm->ds_channels = MADI_DS_CHANNELS;
	hdspm->qs_channels = MADI_QS_CHANNELS;

	snd_printdd("create alsa devices.\n");
T
Takashi Iwai 已提交
4444 4445
	err = snd_hdspm_create_alsa_devices(card, hdspm);
	if (err < 0)
T
Takashi Iwai 已提交
4446 4447 4448 4449 4450 4451 4452
		return err;

	snd_hdspm_initialize_midi_flush(hdspm);

	return 0;
}

4453
static int snd_hdspm_free(struct hdspm * hdspm)
T
Takashi Iwai 已提交
4454 4455 4456 4457 4458 4459
{

	if (hdspm->port) {

		/* stop th audio, and cancel all interrupts */
		hdspm->control_register &=
T
Takashi Iwai 已提交
4460 4461
		    ~(HDSPM_Start | HDSPM_AudioInterruptEnable |
		      HDSPM_Midi0InterruptEnable | HDSPM_Midi1InterruptEnable);
T
Takashi Iwai 已提交
4462 4463 4464 4465 4466 4467 4468
		hdspm_write(hdspm, HDSPM_controlRegister,
			    hdspm->control_register);
	}

	if (hdspm->irq >= 0)
		free_irq(hdspm->irq, (void *) hdspm);

4469
	kfree(hdspm->mixer);
T
Takashi Iwai 已提交
4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480

	if (hdspm->iobase)
		iounmap(hdspm->iobase);

	if (hdspm->port)
		pci_release_regions(hdspm->pci);

	pci_disable_device(hdspm->pci);
	return 0;
}

4481
static void snd_hdspm_card_free(struct snd_card *card)
T
Takashi Iwai 已提交
4482
{
T
Takashi Iwai 已提交
4483
	struct hdspm *hdspm = card->private_data;
T
Takashi Iwai 已提交
4484 4485 4486 4487 4488 4489 4490 4491 4492

	if (hdspm)
		snd_hdspm_free(hdspm);
}

static int __devinit snd_hdspm_probe(struct pci_dev *pci,
				     const struct pci_device_id *pci_id)
{
	static int dev;
4493 4494
	struct hdspm *hdspm;
	struct snd_card *card;
T
Takashi Iwai 已提交
4495 4496 4497 4498 4499 4500 4501 4502 4503
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		dev++;
		return -ENOENT;
	}

T
Takashi Iwai 已提交
4504 4505 4506
	card = snd_card_new(index[dev], id[dev],
			    THIS_MODULE, sizeof(struct hdspm));
	if (!card)
T
Takashi Iwai 已提交
4507 4508
		return -ENOMEM;

T
Takashi Iwai 已提交
4509
	hdspm = card->private_data;
T
Takashi Iwai 已提交
4510 4511 4512 4513
	card->private_free = snd_hdspm_card_free;
	hdspm->dev = dev;
	hdspm->pci = pci;

4514 4515
	snd_card_set_dev(card, &pci->dev);

T
Takashi Iwai 已提交
4516 4517 4518
	err = snd_hdspm_create(card, hdspm, precise_ptr[dev],
			       enable_monitor[dev]);
	if (err < 0) {
T
Takashi Iwai 已提交
4519 4520 4521 4522 4523 4524 4525 4526
		snd_card_free(card);
		return err;
	}

	strcpy(card->shortname, "HDSPM MADI");
	sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
		hdspm->port, hdspm->irq);

T
Takashi Iwai 已提交
4527 4528
	err = snd_card_register(card);
	if (err < 0) {
T
Takashi Iwai 已提交
4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564
		snd_card_free(card);
		return err;
	}

	pci_set_drvdata(pci, card);

	dev++;
	return 0;
}

static void __devexit snd_hdspm_remove(struct pci_dev *pci)
{
	snd_card_free(pci_get_drvdata(pci));
	pci_set_drvdata(pci, NULL);
}

static struct pci_driver driver = {
	.name = "RME Hammerfall DSP MADI",
	.id_table = snd_hdspm_ids,
	.probe = snd_hdspm_probe,
	.remove = __devexit_p(snd_hdspm_remove),
};


static int __init alsa_card_hdspm_init(void)
{
	return pci_register_driver(&driver);
}

static void __exit alsa_card_hdspm_exit(void)
{
	pci_unregister_driver(&driver);
}

module_init(alsa_card_hdspm_init)
module_exit(alsa_card_hdspm_exit)